// global check for the retarded browser (IE)
// $Revision: 1.173 $

var uA = navigator.userAgent;
var prefWin;
var ie = false;
if(uA.indexOf("MSIE") != -1){
    ie = true;
}

function newWindow(event, dcontent, dwidth, dheight, dx, dy, name) {
    var posX = event.screenX;
    var posY = event.screenY;
    if(dx == ''){ dx = 15; }
    if(dy == ''){ dy = 15; }
    posX = posX + 15;
    posY = posY + 15;
    name = name + "";
    var win = window.open(dcontent, name, 'status, resizable');
    win.resizeTo(dwidth,dheight);
    win.moveTo(posX,posY);
    win.focus();
    return win;
}

// IGUI functions

function newPrefWindow(event, dcontent, dwidth, dheight, dx, dy, name) {
    var wsidElm = document.myForm.prefWSID;
    var showSecondSet = document.getElementById("showSecondSet").value;
	//alert(dcontent);
    if(wsidElm != null){
	var wsid = wsidElm.value;
	//alert(wsid);
	if(wsid != ""){
	    var pair = dcontent.split("wsid=");
	    //alert(pair[1]);
	    var after = pair[1];
	    var idx = after.indexOf("&");
	    after = after.substring(idx);
	    after = "wsid=" + wsid + "&" + after;
	    dcontent = pair[0] + after;
	    //alert(dcontent);
	}
    }
    if(showSecondSet != ""){
	    if(dcontent.indexOf("showSecondSet") > -1){
	        var pair = dcontent.split("showSecondSet=");
	        var after = pair[1];
	        var idx = after.indexOf("&");
	        after = after.substring(idx);
	        after = "showSecondSet=" + showSecondSet + "&" + after;
	        dcontent = pair[0] + after;
            }else{
	        dcontent += "&showSecondSet=" + showSecondSet;
	    }
    }
    prefWin = newWindow(event, dcontent, dwidth, dheight, dx, dy, name);
}


function updateSelectionAndControlsUI() {
    var iid = content.document.myForm.instance_id.value;
    var wsid = content.document.myForm.wsid.value;
    var app = content.document.myForm.app.value;
    var gsid = content.document.myForm.gsid.value;
    var initq = content.location.search;
    //alert(iid + ", " + wsid);
    var queryStr = 'instance_id='+iid+'&wsid='+wsid+'&app='+app+'&gsid='+gsid;
    if(initq.indexOf("selection=true") < 0){
        selection.location.search = queryStr; 
    }
    controls.location.search = queryStr;
    //scrollRight();
}

function updateSelectionUI() {
    var iid = content.document.myForm.instance_id.value;
    var wsid = content.document.myForm.wsid.value;
    var app = content.document.myForm.app.value;
    var gsid = content.document.myForm.gsid.value;
    var queryStr = 'instance_id='+iid+'&wsid='+wsid+'&app='+app+'&gsid='+gsid;
    selection.location.search = queryStr; 
}

function submitForm(frameId) {
    if( validate() ){
	//var uiForm;
	//if(frameId == 'constraints'){
        //    uiForm = constraints.document.myForm;
	//}else{
            var uiForm = document.getElementById('myForm');
	//}
	//alert( document.getElementById('prefWSID').value );
        uiForm.action = '/daac-bin/G3/iExecute.pl';
        uiForm.target = 'content';
        uiForm.submit();
        uiForm.action = '/daac-bin/G3/constraints.pl';
        uiForm.target = '';
	//if(!ie){
            window.opener.focus();
	//}
    }
}

function editPreferences() {
    //var east = document.getElementById('East').value;
    //var west = document.getElementById('West').value;
    //var north = document.getElementById('North').value;
    //var south = document.getElementById('South').value;
    //var byrElm = document.getElementById('byr');
    //var bmoElm = document.getElementById('bmo');
    //var bdyElm = document.getElementById('bdy');
    //var bhrElm = document.getElementById('bhr');
    //var bminElm = document.getElementById('bmin');
    //var bsecElm = document.getElementById('bsec');
    //var eyrElm = document.getElementById('eyr');
    //var emoElm = document.getElementById('emo');
    //var edyElm = document.getElementById('edy');
    //var ehrElm = document.getElementById('ehr');
    //var eminElm = document.getElementById('emin');
    //var esecElm = document.getElementById('esec');
    var uiForm = document.myForm;
    uiForm.target = '';
    uiForm.action = '/daac-bin/G3/plotPrefs.cgi';
    uiForm.submit();
}
function editCriteria() {
        var uiForm = document.getElementById('myForm');
        uiForm.action = '/daac-bin/G3/constraints.pl';
        uiForm.submit();
}

// works only for select lists
function selectAll(elmId,select){
    var elm = document.getElementById(elmId);
    var type = elm.type;
    if( type.indexOf('select-mult') > -1 ){
        var options = elm.options;
	if(select){
	    for(var i=0;i<options.length;i++){
	        options[i].selected = "selected";
	    }
	}else{
	    for(var i=0;i<options.length;i++){
	        options[i].selected = "";
	    }
	}
    }else{
	alert("selectAll() function must be used on a select list with multiple select enabled");
    }
}

function selectAllToggle(ctrl,elmId){
    var value = ctrl.value;
    if(value == 'All'){
        selectAll(elmId,true);
         ctrl.value = "None";
         //document.getElementById("plotBTN").disabled = "";
    }else{
        selectAll(elmId,false);
         ctrl.value = "All";
	 //document.getElementById("plotBTN").disabled = "disabled";
    }
         document.myForm.submit();
}

function updateForm() {
    document.myForm.submit();
}

function showHideDIV( contentId, button )
{
    var contentElm = document.getElementById(contentId);
    var action = '';
    button.value.indexOf('Select') > -1  ? action = 'show' : action = 'hide';
    if(action == 'show'){
        contentElm.style.display = 'block';
        contentElm.style.visibility = 'visible';
        button.value = 'Remove Second Set of Criteria';
        if(contentId == 'secondSet'){
	    document.getElementById('showSecondSet').value = '1';
	    document.getElementById('experiments2').disabled = false;
	    document.getElementById('models2').disabled = false;
	    document.getElementById('diagnostics2').disabled = false;
	    document.getElementById('variables2').disabled = false;
        }
    }else if(action == 'hide'){
        contentElm.style.display = 'none';
        contentElm.style.visibility = 'hidden';
        button.value = 'Select Second Set of Criteria';
        if(contentId == 'secondSet'){
	    document.getElementById('showSecondSet').value = '0';
	    document.getElementById('experiments2').disabled = true;
	    document.getElementById('models2').disabled = true;
	    document.getElementById('diagnostics2').disabled = true;
	    document.getElementById('variables2').disabled = true;
        }
    }
}

function clearPrefWSID() {
    document.getElementById("prefWSID").value = "";
    document.getElementById("prefMessageDIV").innerHTML = "";
    try{
        prefWin.close();
    }catch(err){}
}

function newVPDescWindow() {
    alert("Vertical Profile description text is TBD");
}   

function validate() {
    var drvRetVal = validateDateRange();
    var retVal =  testForParamServiceMismatch();
    var vpRetVal = validateVertPickerSel();
    var spRetVal = validateSpatialRange();
    var climRetVal = validateClimatologySelections();
    if ( drvRetVal == false ||
         retVal == false ||
         vpRetVal == false ||
         spRetVal == false ||
         climRetVal == false )
         {
             return false;
         }
         else
         {
             return true;
         }
}

function toggleImageSize () {
    var btn = document.getElementById("imageSize");
    var psearch = window.location.search;
    var imgStr = "&imageSizeOverride=1";
    var images = document.images;
    var newWidth = 0;
    if(btn.value == "Enlarge Images"){
        //document.getElementById("imageSizeOverride").value = 1;
	btn.value = "Shrink Images";
        //psearch = psearch + imgStr;
	for(var i=0;i<images.length;i++){
	    if(images[i].src.indexOf("retrieveImage") > - 1){
	        //alert(images[i].width);
		newWidth = images[i].width*2;
		images[i].height = (newWidth * images[i].height) / images[i].width;;
 	        images[i].width = newWidth;
	        //alert(images[i].width);
	    }
        }
    }else{
        //document.getElementById("imageSizeOverride").value = 0;
	btn.value = "Enlarge Images"
        //psearch = psearch.replace(imgStr,"");
	for(var i=0;i<images.length;i++){
	    if(images[i].src.indexOf("retrieveImage") > - 1){
		newWidth = images[i].width/2;
		images[i].height = (newWidth * images[i].height) / images[i].width;;
 	        images[i].width = newWidth;
	    }
        }
    }
    //window.document.myForm.submit();
}

// END IGUI functions

function showInElement(elemID){
    document.getElementById(elemID).style.border = 'thin solid red';
}
function showOutOfElement(elemID){
    document.getElementById(elemID).style.border = 'thin solid rgb(235,235,235)';
}

function hover(bannerMenuElem) {
    var elemId = bannerMenuElem.id;
    document.getElementById(elemId).className = 'bannerMenuTD_hover';
    document.getElementById(elemId + 'URL').className = 'bannerMenuAnchor_hover';
}

function dehover(bannerMenuElem) {
    var elemId = bannerMenuElem.id;
    document.getElementById(elemId).className = 'bannerMenuTD';
    document.getElementById(elemId + 'URL').className = 'bannerMenuAnchor';
}
function imageHover(imgElem){
    var elemId = imgElem.id;
    var srcURL = document.getElementById(elemId).src;
    srcURL = srcURL.replace(".gif","_hover.gif");
    document.getElementById(elemId).src = srcURL;
}
function imageDeHover(imgElem){
    var elemId = imgElem.id;
    var srcURL = document.getElementById(elemId).src;
    srcURL = srcURL.replace("_hover.gif",".gif");
    document.getElementById(elemId).src = srcURL;    
}
function formImageHover(imgElem){
    //var elemId = imgElem.name;
    var srcURL = imgElem.src;
    srcURL = srcURL.replace(".gif","_hover.gif");
    imgElem.src = srcURL;
}
function formImageDeHover(imgElem){
    //var elemId = imgElem.name;
    var srcURL = imgElem.src;
    srcURL = srcURL.replace("_hover.gif",".gif");
    imgElem.src = srcURL;    
}
function formImagePressed(imgElem){
    var srcURL = imgElem.src;
    srcURL = srcURL.replace("_hover","");
    srcURL = srcURL.replace(".gif","_dn.gif");
    imgElem.src = srcURL;
}
function formImageDePressed(imgElem){
    var srcURL = imgElem.src;
    srcURL = srcURL.replace("_dn.gif",".gif");
    imgElem.src = srcURL;    
}
function simpleHover(elem){
    var elemId = elem.id;
    document.getElementById(elemId).className = 'pickerHeaderHover';
}
function simpleDeHover(elem){
    var elemId = elem.id;
    document.getElementById(elemId).className = 'pickerHeader';
}

// this function will only work if the passed in elem has an id that
// matches the NAME of the form element and it is a checkbox.
function selectAllParameters(event, elem){
    // find all elements with the passed in name/id and type = 'checkbox'
    var elemId = elem.id;
    var elemForm = elem.form;
    var groupParams = document.getElementByName(elemId);
    // if the ctrlKey was selected, un-check all the paramaters;
    // otherwise, check all of the parameters
    if(event.ctrlKey == 1){
        for(i=0;i<groupParams.length;i++){
	    if(groupParams[i].type == 'checkbox'){
	        groupParams[i].checked = false;
	    }
	}
    }else{
	for(i=0;i<groupParams.length;i++){
	    if(groupParams[i].type == 'checkbox'){
	        groupParams[i].checked = true;
	    }
	}
    }
}

// Selects all of the parameters in a data group
// depedency: the passed in element must be named 'xxxPK_yyyy'
// so it's name can be used to figure out what checkboxes to set
// and so the component itself does NOT get picked up during
// execute.cgi processing of parameters (whose checkbox controls
// have names of the form 'PK_yyyy'.
function selectAllParametersCB(event, elem){
    var elemId = elem.id;
    var pki = elemId.indexOf("PK");
    elemId = elemId.substring(pki,elemId.length);
    var groupParams = document.getElementsByName(elemId);

    if(elem.checked){
        for(i=0;i<groupParams.length;i++){
            if(groupParams[i].type == 'checkbox'){
                groupParams[i].checked = true;
		setVerticalPickerValues(groupParams[i]);
		//groupParams[i].click();
            }
        }
    }else{
        for(i=0;i<groupParams.length;i++){
            if(groupParams[i].type == 'checkbox'){
                groupParams[i].checked = false;
		setVerticalPickerValues(groupParams[i]);
		//groupParams[i].click();
            }
        }
    }

}

function getSelectedService()
{
    var serviceSelection = document.getElementById("serviceSelection");
    if(serviceSelection == null){
	serviceSelection = document.getElementById("services");
    }
    var service = "none";
    if (serviceSelection.type == 'hidden'){
        service = serviceSelection.value;
    }else{
        var sidx = serviceSelection.selectedIndex;
        service = serviceSelection.options[sidx].value;
    }
    return service;
}

function validateDateRange(){

    var retv = true;

    //if(document.getElementById("globalClimatology").checked ||
    //   document.getElementById("globalAnomaly").checked){
    //    return retv;
    //}

    var climRadios = document.getElementsByName("globalClimatology");
    for(var i=0;i<climRadios.length;i++){
	if(climRadios[i].checked && 
	   (climRadios[i].value == "globalClimatology" || climRadios[i].value == "globalAnomaly") ){
	    return retv;
	}
    }
   
    var service = getSelectedService();

    // define and assign yearly vars
    var byrElm = document.getElementById("byr");
    var byr = byrElm[byrElm.selectedIndex].value;
    var eyrElm = document.getElementById("eyr");
    var eyr = eyrElm[eyrElm.selectedIndex].value;

    // define and assign monthly vars
    var bmElm = document.getElementById("bmo");
    var bm = monthToNumber( bmElm[bmElm.selectedIndex].value );
    var emElm = document.getElementById("emo");
    var em = monthToNumber( emElm[emElm.selectedIndex].value );

    // define and assign daily vars
    var bd = null;
    var ed = null;
    if (document.getElementById('bdy') != null){
        var bdElm = document.getElementById("bdy");
        var bd = bdElm[bdElm.selectedIndex].value;
        var edElm = document.getElementById("edy");
        var ed = edElm[edElm.selectedIndex].value;
    }

    // define and assign hourly vars
    var bhr = null;
    var ehr = null;
    if (document.getElementById('bhr') != null){
        var bhrElm = document.getElementById("bhr");
        var bhr = bhrElm[bhrElm.selectedIndex].value;
        var ehrElm = document.getElementById("ehr");
        var ehr = ehrElm[ehrElm.selectedIndex].value;
    }

    // define and assign minutely vars
    var bmin = null;
    var emin = null;
    if (document.getElementById('bmin') != null){
        var bminElm = document.getElementById("bmin");
        var bmin = bminElm[bminElm.selectedIndex].value;
        var eminElm = document.getElementById("emin");
        var emin = eminElm[eminElm.selectedIndex].value;
    }

    // check for end date being older than the begin date
    if( bmin != null && emin != null ){
        if( (byr > eyr) || 
            ((byr == eyr) && (bm > em)) ||                                                                     
            ((byr == eyr) && (bm == em) && (parseInt(bd) > parseInt(ed))) ||                                   
            ((byr == eyr) && (bm == em) && (parseInt(bd) > parseInt(ed)) && (parseInt(bhr) > parseInt(ehr))) || 
            ((byr == eyr) && (bm == em) && (parseInt(bd) > parseInt(ed)) && (parseInt(bhr) > parseInt(ehr)) && (parseInt(bmin) > parseInt(emin))) ){  
            alert("The ending date-time must be more recent than the beginning date-time");                              
            retv = false;                                                                                      
        }
    }else if( bhr != null && emin != null ){
        if( (byr > eyr) || 
            ((byr == eyr) && (bm > em)) ||                                                                     
            ((byr == eyr) && (bm == em) && (parseInt(bd) > parseInt(ed))) ||                                   
            ((byr == eyr) && (bm == em) && (parseInt(bd) > parseInt(ed)) && (parseInt(bhr) > parseInt(ehr))) ){  
            alert("The ending date-time must be more recent than the beginning date-time");                              
            retv = false;                                                                                      
        }
    }else if( bd != null && ed != null ){
		//alert(byr +","+eyr+","+bm+","+em+","+bd + "," + ed);
	if( (byr > eyr) || 
	    ((byr == eyr) && (bm > em)) ||
	    ((byr == eyr) && (bm == em) && (parseInt(bd) > parseInt(ed))) ){
	    alert("The ending date must be more recent than the beginning date");
	    retv = false;
	}

    }else if( bm != null && em != null ){
	if( (byr > eyr) || 
	    ((byr == eyr) && (bm > em)) ){
	    alert("The ending date must be more recent than the beginning date");
	    retv = false;
	}
    }else if( byr != null && eyr != null ){
        if( byr > eyr ){                                                                                     
            alert("The ending date must be more recent than the beginning date");                              
            retv = false;                                                                                      
        } 
    }else{
	// something is seriously wrong 
	alert("ERROR: No date fields were found on this page.  Please contact the site administrator");
	return false;
    }

    if(service == 'hovemollerlatt' || service == 'hovemollerlont' || service == 'timeseries' ||
       service == 'latlonplot_corr' || service == 'timeseries_diff' || service == 'timestats' ){
	if(bmin != null){ // minutely dataset
	    if( (byr == eyr) && (bm == em)  && (ed == bd) && (bhr == ehr) && (bmin == emin) ){
                alert("Beginning and ending dates are an exact match.  Please select a RANGE");
                retv = false;
            }
	}else if(bhr != null){ // hourly dataset
            if( (byr == eyr) && (bm == em)  && (ed == bd) && (bhr == ehr) ){                                                   
                alert("Beginning and ending dates are an exact match.  Please select a RANGE");                
                retv = false;                                                                                  
            } 
        }else if(bd != null){ // daily dataset
            if( (byr == eyr) && (bm == em)  && (ed == bd) ){
                alert("Beginning and ending dates are an exact match.  Please select a RANGE");
                retv = false;
            }
        }else if(bm != null){ // monthly dataset
            if( (byr == eyr) && (bm == em) ){
                alert("Beginning and ending years and months are an exact match.  Please select a RANGE");
                retv = false;
            }
        }else if(byr != null){
            if( byr == eyr ){                                                                  
                alert("Beginning and ending years and months are an exact match.  Please select a RANGE");     
                retv = false;                                                                                  
            }
	}
    }

    // if the product date check is good, check the date range restrictions based on the intervals
    //if(bd != null && bhr == null){  // daily data - subject to range restriction
    //    if( !(validateDailyDataLimit(byr,bm,bd,eyr,em,ed)) ){
    //        alert("We are sorry for the inconvenience, but due to extremely high data volume, queries for daily data are being restricted to approximately one year.  Please reduce your time range to one year or less and re-submit.  Thank you for your patience as we work to increase Giovanni's capacity.");
    //        retv = false;
    //    }
    //}
    if(bd != null && bhr != null ){  // hourly or minutely data - subject to range restriction
        if( !(validateHourlyDataLimit(byr,bm,bd,bhr,bmin,eyr,em,ed,ehr,emin)) ){            
	    alert("We are sorry for the inconvenience, but due to extremely high data volume, queries for hourly and shorter interval data are being restricted to approximately six months.  Please reduce your time range to six months or less and re-submit.  Thank you for your patience as we work to increase Giovanni's capacity.");
            retv = false;
        }
    }else{
        // if the date entries are good so far, check the user entered dates against the dates
        // for the selected product(s)
        if( retv == true ){
            retv = checkProductDates(byr,bm,bd,bhr,bmin,eyr,em,ed,ehr,emin);
        }
    }


    return retv;
}

function monthToNumber( month ){
    var months = new Array( 'Jan','Feb','Mar','Apr','May','Jun','Jul','Aug','Sep','Oct','Nov','Dec' );
    for( var idx = 0; idx < months.length; idx++ ){
	if( month == months[idx] ){
	    return idx;
	}
    }
}

// Compares the parameter product dates to the entered dates to see if
// there is no intersection at all; also checks to see if the entered
// date range is overly large given the timeInterval (if any of the
// parameters has something other than a yearly or monthly interval AND
// the entered range is at least a year, a confirmation dialog will
// be shown).
function checkProductDates(byr,bm,bd,bhr,bmin,eyr,em,ed,ehr,emin){
    // for each selected parameter, check it's product begin and end dates;
    // make sure the user selection intersects with those dates, if not,
    // alert the user to make a change

    // flag indicating daily data
    var dailyFlag = false;
    if( bd != null ){
	dailyFlag = true;
    }

    // set beginning date
    var userBD = new Date();
    if(bd == null){
	bd = getEndDate(byr,bm);
    }
    userBD.setFullYear(byr,bm,bd);
    if(bhr != "" && bhr != null){
	userBD.setHours(bhr);
    }else{
        userBD.setHours(0);
    }
    if(bmin != "" && bmin != null){
	userBD.setMinutes(bmin);
    }else{
        userBD.setMinutes(0);
    }
    userBD.setSeconds(0);

    // set ending date
    var userED = new Date();
    if(ed == null){
        ed = getEndDate(eyr,em);
    }

    userED.setFullYear(eyr,em,ed);
    //userED.setMonth(em);
    if(ehr != "" && ehr != null){
	userED.setHours(ehr);
    }else{
        userED.setHours(0);
    }
    if(emin != "" && emin != null){
	userED.setMinutes(emin);
    }else{
        userED.setMinutes(0);
    }
    userED.setSeconds(0);

    // user entered date strings for display only
    var ub = byr+"/"+(bm+1);
    var ue = eyr+"/"+(em+1);
    if( (bd != "" && ed != "") &&
	(bd != null && ed != null) ){
	ub = ub + "/" + bd;
	ue = ue + "/" + ed;
    }
    if( (bhr != "" && ehr != "") &&
	(bhr != null && ehr != null) ){
	ub = ub + ":" + bhr;
	ue = ue + ":" + ehr;
    }
    if( (bmin != "" && emin != "") &&
	(bmin != null && emin != null) ){
	ub = ub + ":" + bmin;
	ue = ue + ":" + emin;
    }

    // look for all of the check controls having an associated hidden field
    // with a value of *_DATERANGE
    var controls = document.getElementsByTagName("input");
    var cElm; // control element
    var rawDR = ""; // raw date range
    var rawA; // array of date range values
    var sn = "" // associated paramter shortname
    var cid; // control element id
    var drid; // date range id
    var dA; // parameter date array
    var pb; // parameter begin date
    var pe; // parameter end date
    var eM = ""; // error message string
    var retv = true; // return value
    var smallInterval = false; // set true when interval is less than monthly
    var oneDay = 1000 * 3600 * 24;
    for(var idx = 0; idx < controls.length; idx++){
	cElm = controls[idx];
	cid = cElm.id;
	if( cElm.type == 'checkbox' &&
	    cElm.checked == true &&
	    (cid.indexOf("PK_") > -1 || cid.indexOf("Parameter_") > -1) &&
	    cid.indexOf("CB_") < 0 ){
	    //process
	    try{
	        drid = cid + "_DATERANGE";
	        rawDR = document.getElementById(drid).value;
		//alert(cid + " date range: " + rawDR);
		if(rawDR != ""){
		    rawA = rawDR.split(':');
		    sn = rawA[0];
		    rawA[1] = rawA[1].replace(' ','');
		    dA = rawA[1].split('-');
		    pb = dA[0];
		    pe = dA[1];
		    dateFields = pb.split("/");
		    if( dateFields.length < 3 ){
			pb = pb + "/" + daysOfTheMonth(pb);
			pe = pe + "/" + daysOfTheMonth(pe);
		    }
		    pb = Date.parse(pb);
		    pe = Date.parse(pe);
		    // if the pe < userBD or pb > userED,
		    // collect the parameter and condition
		    // alert( "pe: " +pe+ ", userBD: " + Date.parse(userBD) + ", pb: " + pb + ", userED: " + Date.parse(userED) );
		    if( Date.parse(userBD) < pb ){
			// the user-entered begin date is more recent than the data begin date 
			eM = eM + "\n\nThe user-entered begin date (" + ub + ") is older than the product ("+sn+") begin date ("+dA[0]+")";
			retv = false;
		    }else if( Date.parse(userED) < pb ){
			eM = eM + "\n\nThe user-entered begin date (" + ub + ") is older than the product ("+sn+") begin date ("+dA[0]+")";
			retv = false;
		    }else if( Date.parse(userBD) > pe ){
			eM = eM + "\n\nThe user-entered begin date ("+ub+") is more recent than the product ("+sn+") end date ("+dA[1]+")";
			retv = false;
		    }else if( Date.parse(userED) > pe ){
			eM = eM + "\n\nThe user-entered end date ("+ue+") is more recent than the product ("+sn+") end date ("+dA[1]+")";
			retv = false;
		    }
		    // check the interval
		    if(rawA[2] != 'monthly' || rawA[2] != 'yearly'){
			smallInterval = true;
		    }
		}
	    }catch(err){
		alert("couldn't find DR for "+cid);
	    }
	} // ignore
    }
    if(eM != ""){
	eM = eM + "\n\n\nPlease remove the out-of-range parameters or modify the entered date range\n";
        alert(eM);
    }

    if(dailyFlag){
	var ubUTC = userBD.getTime();
	var ueUTC = userED.getTime();
	var oneYearMS = 1000 * 3600 * 24 *365;
	if( ((ueUTC - ubUTC) > oneYearMS) && 
	    ( smallInterval == true ) ){
	    retv = confirm( "The date range you entered covers more than one year, but at least one parameter in your query has a small time interval (i.e., it is repeated daily, hourly, minutely, etc.).  This could result in a great many data being returned in the query (and could take more than a few minutes).  Are you sure you want to submit this large query?" );

	    if(retv == true){
		alert("Ok.  Go grab some coffee.");
	    }
	}
    }

    return retv;
}

function daysOfTheMonth(dateString){
    var dateFields = dateString.split("/");
    var year = dateFields[0]; // big assumption
    var month = dateFields[1]; // big assumption
    var dd = new Date(year, month, 0);
    return dd.getDate();
}

function checkForSouthernHemisphere(){
    var retv = true;
    var minLat = parseFloat(document.myForm.South.value);
    var maxLat = parseFloat(document.myForm.North.value);
    if(minLat < 0 || maxLat < 0 ){
	alert("Neither Snow nor Ice products have coordinates in the Southern Hemisphere.  Please pick latitudes in the Northern Hemisphere");
	retv = false;
    }
    return retv;
}


function checkOrbitTimeRange(){

    var valid = true;
    var startHour = document.myForm.startHour.value;
    if( startHour == "" ){ alert( "Start hour field is blank"); return false; }
    var startMin = document.myForm.startMin.value;
    if( startMin == "" ){ alert( "Start minute field is blank"); return false; }
    var startSec = document.myForm.startSec.value;
    if( startSec == "" ){ alert( "Start second field is blank"); return false; }
    var stopHour = document.myForm.stopHour.value;
    if( stopHour == "" ){ alert( "Stop hour field is blank"); return false; }
    var stopMin = document.myForm.stopMin.value;
    if( stopMin == "" ){ alert( "Stop minute field is blank"); return false; }
    var stopSec = document.myForm.stopSec.value;
    if( stopSec == "" ){ alert( "Stop second field is blank"); return false; }

    startSeconds = startHour*3600 + startMin*60 + startSec;
    stopSeconds = stopHour*3600 + stopMin*60 + stopSec;

    var diff = stopSeconds - startSeconds;
    if(diff >= 45){
        valid = true;
    }else{
        alert("Please enter an orbit time range that is at least 45 seconds long");
        valid = false;
    }

    return valid;

}

function writeMapInstructions(minLat,maxLat,minLon,maxLon){
    var minLat_ = minLat;
    var maxLat_ = maxLat;
    var minLon_ = minLon;
    var maxLon_ = maxLon;
    if(navigator.javaEnabled()){
        document.write("Click and drag to select area\; or input latitudes \("+minLat_+", "+maxLat_+
        "\) and longitudes \("+minLon_+", "+maxLon_+"\)");
    }
}

function checkJava(){
    if(navigator.javaEnabled()) {
        return true;
    }else{
        return false;
    }
}

function generateMap(javaEnabled, spatialImage, minLon, maxLon, minLat, maxLat, imageX, imageY, userMinLon, userMaxLon, userMinLat, userMaxLat, mapFormString){
    var x = navigator;
    var ua = x.userAgent;
    if( ua.indexOf('IE') == -1 && ua.indexOf('Safari') == -1 ){
        if(javaEnabled == true){
          document.write("<object classid=\"java\:LiveMap_whom.class\" id=\"MapApplet\" name=\"MapApplet\" codetype=\"application\/java\" codebase=\"\/G3\" archive=\"jf.jar\" width=\"660\" height=\"218\" standby=\"We\'re loading the map applet.  Please standby.....\" ><param name=\"base_image\" value=\"\/G3/images\/"+spatialImage+"\" /><param name=\"SearchType\" value=\"OrbitalSearch\" /><param name=\"tool_color\" value=\"\#FF0000\" /><param name=\"img_x_domain\" value=\""+minLon+" "+maxLon+"\" /><param name=\"img_y_domain\" value=\""+minLat+" "+maxLat+"\" /><param name=\"toolType\" value=\"XY\" /><param name=\"tool_x_range\" value=\""+minLon+" "+maxLon+"\" /><param name=\"tool_y_range\" value=\""+minLat+" "+maxLat+"\" /><param name=\"maptool_color\" value=\"255,255,000\" /><param name=\"img_size_x\" value="+imageX+" /><param name=\"img_size_y\" value="+imageY+" /><param name=\"img_default_west\" value=\""+userMinLon+"\" /><param name=\"img_default_east\" value=\""+userMaxLon+"\" /><param name=\"img_default_north\" value=\""+userMaxLat+"\" /><param name=\"img_default_south\" value=\""+userMinLat+"\" /><br/>If you enabled Java, you\'d get a more interactive map.  If you have not installed the Java Runtime Environment, you can get it <a href=\"http:\/\/www.java.com/en/download/manual.jsp\" target=\"_blank\">here</a>.</object>");
        }else{
           document.write( mapFormString );
	   document.write( "<div style=\"font-weight: bold; padding-left: 5px; padding-right: 5px; background: rgb(205,205,205);\">If you enabled Java, you\'d get a more interactive map.  If you have not installed the Java Runtime Environment locally on your computer, you can do so <a href=\"http:\/\/www.java.com/en/download/manual.jsp\" target=\"_blank\">here</a>.</div>" );
        }
    }else{
        if(javaEnabled == true){
          document.write("<applet name=\"MapApplet\" id=\"MapApplet\" alt=\"Java Applet for area selection. Your browser is not JAVA enabled.\" archive=\"/G3/jf.jar\" code=\"LiveMap_whom.class\" width=\"660\" height=\"218\"  ><param name=\"base_image\" value=\"\/G3/images\/"+spatialImage+"\" /><param name=\"SearchType\" value=\"OrbitalSearch\" /><param name=\"tool_color\" value=\"\#FF0000\" /><param name=\"img_x_domain\" value=\""+minLon+" "+maxLon+"\" /><param name=\"img_y_domain\" value=\""+minLat+" "+maxLat+"\" /><param name=\"toolType\" value=\"XY\" /><param name=\"tool_x_range\" value=\""+minLon+" "+maxLon+"\" /><param name=\"tool_y_range\" value=\""+minLat+" "+maxLat+"\" /><param name=\"maptool_color\" value=\"255,255,000\" /><param name=\"img_size_x\" value="+imageX+" /><param name=\"img_size_y\" value="+imageY+" /><param name=\"img_default_west\" value=\""+userMinLon+"\" /><param name=\"img_default_east\" value=\""+userMaxLon+"\" /><param name=\"img_default_north\" value=\""+userMaxLat+"\" /><param name=\"img_default_south\" value=\""+userMinLat+"\" /><br/>If you enabled Java, you\'d get a more interactive map.  If you have not installed the Java Runtime Environment, you can get it <a href=\"http:\/\/www.java.com/en/download/manual.jsp\" target=\"_blank\">here</a>.</applet>");
        }else{
           document.write( mapFormString );
	   document.write( "<div style=\"font-weight: bold; padding-left: 5px; padding-right: 5px; background: rgb(205,205,205);\">If you enabled Java, you\'d get a more interactive map.  If you have not installed the Java Runtime Environment locally on your computer, you can do so <a href=\"http:\/\/www.java.com/en/download/manual.jsp\" target=\"_blank\">here</a>.</div>" );
        }
    }
}

function enableCustomColorBar(pElm,palette,minVal,maxVal){
    var pickerId = pElm.id;
    var palElm = document.getElementById(palette);
    var minValElm = document.getElementById(minVal);
    var maxValElm = document.getElementById(maxVal);
    var palElmLbl = document.getElementById(palette + 'Lbl');
    //alert(pickerId);
    if(pElm.id == 'custom'){
	palElm.disabled = false;
	minValElm.disabled = false;
	maxValElm.disabled = false;
    }else{
        palElm.disabled = true;
        minValElm.disabled = true;
        maxValElm.disabled = true;
    }    
}

function checkSpatialFields(){
    var w = document.myForm.West.value;
    var e = document.myForm.East.value;
    var n = document.myForm.North.value;
    var s = document.myForm.South.value;

    if(w == "" || e == "" || n == "" || s == ""){
	alert( "Some of the spatial fields are empty.  Please re-load your page and submit again.");
	return false;
    }else{
	return true;
    }
}

function showCBDIV(cb){
    var cbid = cb.id;
    var divid = cbid.replace(/CB/,'DIV');
    var cbDIV = document.getElementById(divid);
    if( cb.checked == true ){
        cbDIV.style.display = 'block';
        cbDIV.style.visibility = 'visible';
    }else{
        cbDIV.style.display = 'none';
        cbDIV.style.visibility = 'hidden';
    }
}

function checkForCloudSat(){
    var iid = document.getElementById("instance_id").value;
    if(iid.search(/a-train/i) != -1 || iid.search(/atrain/i) != -1){
        var x=document.getElementsByTagName("input");
	//var cbs;
	//var xcount = 0;
	//for(xidx=0;xidx<x.length;xidx++){
	//    xcount++;
	//    if(x[xidx].type == 'checkbox'){
	//	cbs = x[xidx];
	//	alert(x[xidx].type);
	//    }
        //}
	//alert("xcount "+xcount);
        var checkCount = 0;
        var cbNames = "";
        var cbIds = "";
        var cname = "";
        var cid = "";
        var internalName = "";
        var dpName = "";
        var cloudSatBool = "false";
        var airxRetBool = "false";
        for(index=0; index<x.length; index++){
	    //if(x[index].type == 'checkbox' && x[index].checked) { alert("checkbox "+x[index].name+", "+x[index].id); }
	    if(x[index].checked){
                checkCount++;
                cbNames = cbNames + x[index].name;
	        cbIds = cbIds + x[index].id;

	        // get the internal name
                cname = x[index].name;
	        cid = x[index].id;
	        cid = cid.replace(cname,"");
  	        cid = cid.substr(1);
	        var lidx = cid.lastIndexOf("_");
	        cid = cid.substring(0,lidx);
		// get the internalName so we can look up the data product	    
	        internalName = cid + "_HIDDEN_DPV";
		// Make sure internalName is not blank - control is a group
		// checkbox if it is empty
		if(internalName != "_HIDDEN_DPV") { 
		    //alert("checking for dp: "+x[index].id);
	            // find the dataproduct value by looking up the
	            // value of the hidden field
	            dpName = document.getElementById(internalName).value;    
	            // if the dp value matches 'CloudSat.007',
	            // set the cloud sat bit; if it matches
	            // 'AIRX2RET.003', set the airs bit
	            if(dpName == "CloudSat.007" || dpName == "1B_CPR.007" || dpName == "CloudSat.008" || dpName == "1B_CPR.008"){
	  	        cloudSatBool = "true";
	            }
	            if(dpName == "AIRX2RET.003"){
		        airxRetBool = "true";
	            }
		} 
            }
        }
        // if the airs bit is true and the cloud sat bit is not,
        // set the alert and return false
        //alert(checkCount + ", " + cbIds);
        if(airxRetBool == "true" && cloudSatBool == "false"){
	    alert("Displaying AIRS Profile(s) data currently requires that Cloudsat data Profile(s) also be selected.  This restriction will be removed from our next software release scheduled for July 1st, 2007.");
            return false;
        }else{
            return true;
        }
    }else{
	return true;
    }

}

function setVerticalPickerMenu() {
    var selectedParams = getSelectedParameterElements();
    for(var i=0;i<selectedParams.length;i++){
	setVerticalPickerValues(selectedParams[i]);
    }
}

function setVerticalPickerValues(elem)
{
    //alert("trying to set vert picker");
    // disable the min and max menus until we loop through
    // the checked parameters to see if any qualify
    var minMenu = document.getElementById('minVertPickerMenu');
    var maxMenu = document.getElementById('maxVertPickerMenu');

    // if the menus are missing, there is no reason to continue
    if(minMenu == null && maxMenu == null){
	//alert("this menus are missing");
	return;
    }

    var pRank = getParameterRank(elem);
	//alert(pRank);
    if( pRank == '2' ){
	return;
    }

    var minMenuVal = "";
    var maxMenuVal = ""; 

    if(minMenu != null && minMenu.value != 'USETOP'){
        minMenu.disabled=true;
        minMenuVal = minMenu.options[minMenu.selectedIndex].text;
        // clear the menu options down to the first element;
        // if all of the options are removed, the <select> cannot
        // have <option>s added to it.
	minMenu.length = 1;
    }
    if(maxMenu != null && maxMenu.value != 'USEBOT'){
        maxMenu.disabled=true;
        maxMenuVal = maxMenu.options[maxMenu.selectedIndex].text;
        // clear the menu options down to the first element;
        // if all of the options are removed, the <select> cannot
        // have <option>s added to it.
	maxMenu.length = 1;
    }

    // get the checked, rank three controls whose units are the same...
    var ctrlsA = getRankThreeCheckedControls();
   
    // menu used to hold the resulting vertical values
    var curMenuA = new Array();

    // first check if there are any values associated with the checked controls;
    // if so, reconcile possible multiple menus
    if(ctrlsA.length > 0)
    {
    var cname = "";
    var cid = "";
    var dimName = "";
    //var hiddenValuesName = "";
    var dimValuesName = "";
    var dpName = "";
    var hiddenValuesElm = "";
    var hiddenValues = "";
    //var tmpMenuA;
    //var incomingMenuA;
    var order;
    var combElm = "";
    var combId = "";
    var dimType = "";
    var dimUnits = "";
	var DVALS = 0;
	var DTYPE = 1;
	var DUNITS = 2;
	var DMIN = 3;
	var DMAX = 4;
    //alert("loop has "+ctrlsA.length+" elements");
    for(index=0; index<ctrlsA.length; index++){
        // get the internal name
        cname = ctrlsA[index].name;
        cid = getProductAndInternalName(ctrlsA[index]);

	// populate the dimenions information array; holds
	// the hidden fields of: dim values, dim type, dim units
	// dim min and dim max
	var dimInfoA = getDimensionInfo(ctrlsA[index]);

        hiddenValues = dimInfoA[DVALS];
	if(hiddenValues != ""){

	    dimType = dimInfoA[DTYPE];
	    dimUnits = dimInfoA[DUNITS];

	}

	var incomingMenuA = new Array();

	//if( hiddenValues != "" &&
	//    ( (dimType == "altitude" && dimUnits != "Unitless") ||
	//      (dimType != "altitude") ) ){
	if( hiddenValues != "" ){

	    // split the hidden values into an array
	    var valuesA = hiddenValues.split(",");
	    // set the vertical scale min
	    var valMin = parseFloat( valuesA[0] );
	    var valMax = parseFloat( valuesA[valuesA.length-1] );
	    var vsMin = dimInfoA[DMIN];
	    //if(vsMin == ''){ vsMin = valuesA[0]; }
	    vsMin = parseFloat( vsMin );
	    // set the vertical scale max
	    var vsMax = dimInfoA[DMAX];
            //if(vsMax == ''){ vsMax = valuesA[valuesA.length - 1]; }
	    vsMax = parseFloat( vsMax );

	    var optVal;

	    // check the order of vertical scale min and max and
	    // the min and max of the scale values from the menu array
	    // if the ordering does not agree between the vertical scale 
	    // min and max preferences and the min and max of the scale
	    // values from the menu array, don't process anything as
	    // something is wrong...; otherwise, trim the array values
	    // in accordance with the specified min and max preference values.
	    if(isNaN(valuesA[0])){
		    // can't do a check; either the order is wrong or there are text fields as the values
		    // so we can't do the check...assume the 'order' is ascending
		order = "UNK";
		incomingMenuA = valuesA;
	    }else{
	        if( (vsMin > vsMax) && (valMin > valMax) ){
		    order = "desc";
	            for(vi=0;vi<valuesA.length;vi++){
		        optVal = parseFloat( valuesA[vi] );
		        if( optVal <= vsMin && 
			    optVal >= vsMax ){
		            ////alert("adding val: "+optVal);
			    incomingMenuA.push(optVal);
		        }
	            }
	        }else if( (vsMin < vsMax) && (valMin < valMax) ){
		    order = "asc";
	            for(mvi=0;mvi<valuesA.length;mvi++){
                        optVal = parseFloat( valuesA[mvi] );
                        if( optVal >= vsMin && 
			    optVal <= vsMax ){
			    incomingMenuA.push(optVal);
		        }
                    }
	        }else{
		
		    order = "UNK";
		    //incomingMenuA = valuesA;
	            alert("The order of vertical scale values and the vertical scale min and max preferences are out of sync.  Please contact the site administrator");
	    	    //return;
	        }
	    }

	    // assuming we're still processing, set up the min/max comparison values
            var curMax;
            var curMin;
            var newMax;
            var newMin;
	    var MIN_CONTAINED = false;
	    var MAX_CONTAINED = false;
	    
            if(order == "desc"){
                curMax = parseFloat(curMenuA[curMenuA.length-1]);
                newMax = parseFloat(incomingMenuA[incomingMenuA.length-1]);
                curMin = parseFloat(curMenuA[0]);
                newMin = parseFloat(incomingMenuA[0]);
			//alert("curMax: "+curMax+", newMax: "+newMax);
		if(curMin > newMin && newMin > curMax){ MIN_CONTAINED = true; }
		if(curMin > newMax && newMax > curMax){ MAX_CONTAINED = true; }
		//alert(MIN_CONTAINED+", "+MAX_CONTAINED);	
            }else if(order == "asc"){
                curMax = parseFloat(curMenuA[0]);
                newMax = parseFloat(incomingMenuA[0]);
                curMin = parseFloat(curMenuA[curMenuA.length-1]);
                newMin = parseFloat(incomingMenuA[incomingMenuA.length-1]);
		if(curMin < newMin && newMin < curMax){ MIN_CONTAINED = true; }
		if(curMin < newMax && newMax < curMax){ MAX_CONTAINED = true; }
            }else{
		// order is UNK, assume order is ascending, but don't try to parse values into a number
                curMax = curMenuA[curMenuA.length-1];
                newMax = incomingMenuA[incomingMenuA.length-1];
                curMin = curMenuA[0];
                newMin = incomingMenuA[0];
		// leave MIN_CONTAINED and MAX_CONTAINED alone as they are false by default
	    }

	    // set the menu array
	    if(curMenuA.length == 0){
		//alert("menu length is zero");
		//curMenuA = incomingMenuA;
		    for(var i=0;i<incomingMenuA.length;i++){
			curMenuA[i] = incomingMenuA[i];
		    } 
		
	    }else if( curMenuA.length > 0 ){

		    var curMenu = new Array();
		    for(var i=0;i<curMenuA.length;i++){
			curMenu[i] = curMenuA[i];
		    } 
                    var newVal;
                    var curVal;
                    var nextVal;
		
		if( MIN_CONTAINED && MAX_CONTAINED ){
		    // both incoming min and max points are contained within the existing menu,
		    // so it's possible we need to pair down the menu values

		    // for now, we just switch the current menu with the incoming
		    //curMenuA = incomingMenuA;
		    for(var i=0;i<incomingMenuA.length;i++){
			curMenuA[i] = incomingMenuA[i];
		    } 

	        }else if( MIN_CONTAINED && !MAX_CONTAINED ){
                    for(j=0;j<curMenu.length;j++){
			curMenuA = new Array();
                        curVal = curMenu[j];
                        //if(order == "desc"){
                            if( parseFloat(curVal) > newMin ){
                                //alert("should remove: "+curVal);
                                //keep = false;
				//curMenuA.splice(j,1);
                            }else{
				curMenuA[j] = curVal;
			    }
			    //else{
                            //    for(k=0;k<incomingMenuA.length;k++){
                            //        newVal = parseFloat(incomingMenuA[k]);
                            //        nextVal = parseFloat(curMenu[j+1]);
                            //        //alert("cur: "+curVal+", new: "+newVal);
                            //        if(curVal == newVal){
                            //            keep = true;
                            //        }else if( newVal < curVal && newVal > nextVal) {
                            //            menuA.splice(j,0,newVal);
                            //            keep = true;
                            //        }
                            //    }
                            //}
                            //if(!keep){
                            //    //alert("removing "+menuA[j]);
                            //    menuA.splice(j,1);
                           // }
			// end of order 'desc'
                        //}
			//else{
			//    if( curVal > newMax && curVal < newMin ){
			//        //alert("should remove: "+curVal);
			//	curMenuA.splice(j,1);
                            //}
			//} 
                    } // end of curMenu for loop 
		}else if( MAX_CONTAINED && !MIN_CONTAINED ){
		    curMenuA = new Array();
		    for(j=0;j<curMenu.length;j++){
                        curVal = curMenu[j];
                        if( parseFloat(curVal) < newMax ){
                        }else{
			    curMenuA[j] = curVal;
			}
		    }
	        }else if( !MIN_CONTAINED && !MAX_CONTAINED ){
		    //alert("menu length is greater than zero but less than incoming");
		    //menuA = tmpMenuA;
		    // do nothing as the incoming menu is essentially a super set of the
		    // current menu, so no trimming can occur
		}
	    }
	}  // end of empty hidden values check


    }// end of 'for controls' loop


    // end of ctrlsA length check (and essentialy, the units mismatch check)
    }


    // populate the menus and set the vertical units field
    if( curMenuA.length != 0 ){

        //alert("menu length: "+curMenuA.length+", first: "+curMenuA[0]+", last: "+curMenuA[curMenuA.length-1]+", units: "+units);

	
	// reset the menus
        var newMenuV;
        var newOption;

	if(minMenu != null && minMenu.value != 'USETOP'){
            minMenu.disabled=false;
	    minMenu.length = 1;
            for(var n=0;n<curMenuA.length;n++){
	        //newMenuV = curMenuA[n];
	        newOption = document.createElement('option');
	        newOption.text = curMenuA[n];
		if(ie){
		    minMenu.add( newOption ); // IE only
		}else{
		    minMenu.add( newOption,null );
		}
		if( minMenuVal != "" && minMenuVal == newOption.text ){
		    minMenu.selectedIndex = n+1;
		}
            }
	}

	if(maxMenu != null && maxMenu.value != 'USEBOT'){
            maxMenu.disabled=false;
	    maxMenu.length = 1;
            for(var m=0;m<curMenuA.length;m++){
	        //newMenuV = curMenuA[m];
	        newOption = document.createElement('option');
	        newOption.text = curMenuA[m];
		if(ie){
		    maxMenu.add( newOption ); // IE only
	        }else{
		    maxMenu.add( newOption,null );
		}
		if( maxMenuVal != "" && maxMenuVal == newOption.text ){
		    maxMenu.selectedIndex = m+1;
		}
            }
	}
	
    }
}


// takes the long convoluted parameter string id from the picker page, strips everything
// away, using the control name (which is prepended to the id on the web page), to 
// reveal the parameter's internal name
function getInternalParameterName(ctrlElm)
{
    var cname = ctrlElm.name;
    var cid = ctrlElm.id;
    //alert("passed in id: "+cid);
    cid = cid.replace(cname,"");
    cid = cid.substr(1);
    var lidx = cid.lastIndexOf("_");
    // cid is internalName
    cid = cid.substring(0,lidx);
    return cid;
}

function getDimName(internalName){
    var dimID = internalName + "_SDSDIMXREF";
    var xrefElem = document.getElementById(dimID);
    var dimName = xrefElem.value;
    return dimName;
}

function getProductAndInternalName(ctrlElm,groupName)
{
    var cid = ctrlElm.id;
    // need the index of "PK_"
    var pksLen = "PK_".length; 
    var paramsLen = "Parameters_".length;
    //alert("passed in id: "+cid);
    var lidx = cid.lastIndexOf("_");
    // cid is combine product and internal name
    if(cid.indexOf("PK_") != -1){
        cid = cid.substring(pksLen,lidx);
    }else if(ctrlElm.name == "Parameters" ){
	cid = cid.substring(0,lidx);
    }else{
        cid = cid.substring(0,lidx);
    }
    //alert("PIN: "+cid);
    return cid;
}

function showHideSummary(toggle)
{
    var toggleId = toggle.id;
    var groupId = toggleId.substring("TOGGLE_".length,toggleId.length);
    var groupDIVID = groupId + "_PARAM_DISPLAY_DIV";
    var groupDIV = document.getElementById(groupDIVID);
    var summaryDIVID = groupId + "_SUMDIV";
    var summaryDIV = document.getElementById(summaryDIVID);
    if(toggle.value == "U"){
	//groupDIV.style.visibility = "hidden";
	groupDIV.style.display = "none";
	toggle.title = "Show Group";
	toggle.src = "/G3/images/pullDown.gif";
        toggle.value = "D";
	// set the innerHtml of the div
	var content = getSummaryDivContent(summaryDIV,groupId);
	if(content != "None"){
	    summaryDIV.innerHTML = "<b>Selected Parameters:</b><br/>"+content;
	}else{
	    summaryDIV.innerHTML = "<b>Selected Parameters:</b>"+content;
	}
	summaryDIV.style.visibility = "visible";
	summaryDIV.style.display = "block";
	summaryDIV.style.padding = "2px 5px 2px 5px";
	summaryDIV.style.border = "1px solid #0099cc";
    }else{
        //groupDIV.style.visibility = "visible";
        groupDIV.style.display = "block";
	toggle.title = "Hide Group";
	toggle.src = "/G3/images/pullUp.gif";
        toggle.value = "U";
	summaryDIV.innerHTML = "";
	//summaryDIV.style.visibility = "hidden";
	summaryDIV.style.display = "none";
	summaryDIV.style.border = "none";
    }
}

function showHideUnitsColumn(cb)
{
   var uCs = new Array();
   if(ie){
        var cCount = 0;
        var tds = document.getElementsByTagName("td");
        for(var idx=0;idx<tds.length;idx++){
            if(tds[idx].name == "unitsColumn"){
                uCs[cCount] = tds[idx];
                cCount++;
            }
        }
   }else{
        uCs = document.getElementsByName("unitsColumn");
   }
   for(var idx=0;idx<uCs.length;idx++){
       if(cb.checked){
    	   uCs[idx].style.visibility = "visible";
	   if(ie){
	       uCs[idx].style.display = "block";
	   }else{
	       uCs[idx].style.display = "table-cell";
	   }
       }else{
	   uCs[idx].style.visibility = "hidden";
	   uCs[idx].style.display = "none";
       }
   }
   var uHs = new Array();
   if(ie){
        var cCount = 0;
        var tds = document.getElementsByTagName("td");
        for(var idx=0;idx<tds.length;idx++){
            if(tds[idx].name == "unitsHdr"){
                uHs[cCount] = tds[idx];
                cCount++;
            }
        }
   }else{
        uHs = document.getElementsByName("unitsHdr");
   }
   for(var idx=0;idx<uHs.length;idx++){
       if(cb.checked){
    	   uHs[idx].style.visibility = "visible";
	   if(ie){
	       uHs[idx].style.display = "block";
	   }else{
	       uHs[idx].style.display = "table-cell";
	   }
       }else{
	   uHs[idx].style.visibility = "hidden";
	   uHs[idx].style.display = "none";
       }
   }
}

function showHide( contentId, button )
{
    var contentElm = document.getElementById(contentId);
    var action = '';
    contentElm.style.visibility == 'hidden' ? action = 'show' : action = 'hide';
    if(action == 'show'){
	contentElm.style.display = 'block';
	contentElm.style.visibility = 'visible';
	//button.value = '-';
	if(contentId == "preferencesDIV"){
	    document.getElementById('displayPreferences').value = "1";
	}
    }else if(action == 'hide'){
	contentElm.style.display = 'none';
	contentElm.style.visibility = 'hidden';
	//button.value = '+';
	if(contentId == "preferencesDIV"){
	    document.getElementById('displayPreferences').value = "0";
	}
    }
}

function showHideDetails( contentId, button )
{
    var contentElm = document.getElementById(contentId);
    var action = '';
    button.value.indexOf('Show') > -1  ? action = 'show' : action = 'hide';
    if(action == 'show'){
	contentElm.style.display = 'block';
	contentElm.style.visibility = 'visible';
	button.value = 'Hide Notes';
    }else if(action == 'hide'){
	contentElm.style.display = 'none';
	contentElm.style.visibility = 'hidden';
	button.value = 'Show Notes...';
    }
}

function addToIDsField(elm) {
    var ids = document.getElementById("parameterIDs");
    ids = ids + ", " + elm.value;
}

var populatedVUnitsColumn = false;

function showHideVUnitsColumn(cb)
{
   var uCs = new Array();
   if(ie){
	var cCount = 0;
	var tds = document.getElementsByTagName("td");
	for(var idx=0;idx<tds.length;idx++){
	    if(tds[idx].name == "vUnitsColumn"){
		uCs[cCount] = tds[idx];
		cCount++;
	    }
	}
   }else{
	uCs = document.getElementsByName("vUnitsColumn");
   }
   for(var idx=0;idx<uCs.length;idx++){
       if(cb.checked){
	   if(!(populatedVUnitsColumn)){
	       populatedVUnitsColumn = populateVertDimUnitsColumn();
	   }
	
           uCs[idx].style.visibility = "visible";
	   if(ie){
               uCs[idx].style.display = "block";
	   }else{
               uCs[idx].style.display = "table-cell";
	   }
       }else{
           uCs[idx].style.visibility = "hidden";
           uCs[idx].style.display = "none";
       }
   }
}

function populateVertDimUnitsColumn()
{
    var ctrls = document.getElementsByTagName("input");
    var rank = 0;
    var rankId = "";
    var rankElm;
    var piName = "";
    var type = "";
    var vunits = "";
    var pVUnitsId = "";
    var dimElm, pVUnitsElm;
	
    for(var idx=0; idx<ctrls.length;idx++){
	piName = getProductAndInternalName(ctrls[idx]);
	type = ctrls[idx].type;
	if(piName != "" && piName != "input" && type == "checkbox"){
            rankId = piName + "_RANK";
		//alert(piName+", "+rankId);
	    try{ 
                rankElm = document.getElementById(rankId);
                rank = -999; 
                if(rankElm != null){
                    rank = rankElm.value; 
                }else{
		    var combId = ctrls[idx].id + "_COMB";
		    var combVal = document.getElementById(combId).value;
	 	    rankId = combVal + "_RANK";
		    rankElm = document.getElementById(rankId);
		    if(rankElm != null){
			rank = rankElm.value;
			piName = combVal;
		    }
		}
	    }catch(err){
		dump("populateVertDimUnitsColumn: something went wrong when fetching the parameter rank");
	    }
	    if(rank >= 3){
	        vdimId = piName + "_DIMVUNITS";
	        try{
	    	    dimElm = document.getElementById(vdimId);
		    vunits = dimElm.value;
	            pVUnitsId = piName + "_VUNITS";
		    pVUnitsElm = document.getElementById(pVUnitsId);
		    pVUnitsElm.innerHTML = vunits;
	        }catch(err){
		    dump("populateVertDimUnitsColumn: something went wrong when fetching the vert dim ref");
	        }
	    }
	}
    }

    return true;
} 

function getSummaryDivContent(summary,groupId)
{
    var ctrls = document.getElementsByTagName("input");
    var content = "";
    var labelId = "";
    var labelContent = "";
    for(var idx=0;idx<ctrls.length;idx++){
	if(ctrls[idx].checked && 
	   ctrls[idx].id.indexOf(groupId) != -1 && 
	   ctrls[idx].id.length > groupId.length+4){
	   labelId = ctrls[idx].id + "_LABEL";
	   
	   labelContent = document.getElementById(labelId).innerHTML;
	   //alert("--"+labelContent+"--");
	   // because of other kludges, when the shortname is a link, there
	   // is also a hidden input field that contains the shortname, so check
           // for it...
	   if( labelContent.indexOf("<input") != -1 || labelContent == "" ){
	       var aid = ctrls[idx].id + "_ANCHOR";
	       labelContent = document.getElementById(aid).innerHTML;
	   }
	   content = content + "- "+labelContent+"<br/>";
	}
    }
    if(content == ""){ content = "None"; }
    return content;
}

function show3DRows()
{
    // for each checkbox of rank 3 or better, set it's row visible/invlsible
    // based on var display value
    var ctrls = document.getElementsByTagName("input");
    var gname = ""; // group name
    for(var idx=0; idx<ctrls.length;idx++){
	// see if the control is a checkbox
	if(ctrls[idx].type == 'checkbox'){
	    var cid = ctrls[idx].id;
	    var cval = ctrls[idx].value;
	    //alert("cid: "+cid);
	    if(cid.indexOf("CB_") != -1){
		// it's a group checkbox
		// save the group name
		gname = cid.substring(6,cid.length);
	    }
	    var paramName = "";
	    // see if the checkbox id is handling parameters ('PK_')
	    if( (cid.indexOf("PK_") != -1 && cid.indexOf("CB_") == -1) ||
		(ctrls[idx].name.indexOf("Parameters") != -1) ){
	        var strippedName = getProductAndInternalName(ctrls[idx]);
		//alert("gname: "+gname);
		//alert("stripped: " + strippedName);
		//if(gname != ""){
		//    paramName = strippedName.substring(gname.length+1,strippedName.length);
		//}else{
		//    paramName = strippedName;
		//}
		//alert("param: "+ paramName);
		//var hiddenDPV = paramName + "_HIDDEN_DPV";
		//alert("hdpv: "+hiddenDPV);
		//var dpName = document.getElementById(hiddenDPV).value;
		//dpName = dpName.replace(".","_");
		//alert("dp: "+dpName);
		//var piName = paramName;
		//if(ctrls[idx].name.indexOf("Parameters") == -1){
		//    piName = dpName + "_" + paramName;
	        //}
		//var rankId = piName + "_RANK";
		var combID = cid + "_COMB";
		var basicID = document.getElementById(combID).value;
		var rankId = basicID + "_RANK";
		var rankElm = document.getElementById(rankId);
		var rankValue = -999;
		if(rankElm != null){
		    rankValue = rankElm.value;
		}
		if(rankValue < 3){
	            //var rowName = "TR_PK_"+gname+"_"+paramName;
	            var rowName = "TR_PK_" + basicID + "_" + cval;
		    if(ctrls[idx].name.indexOf("Parameters") != -1){
			rowName = "TR_" + basicID + "_" + cval;
		    }
		    var row = document.getElementById(rowName);
	            if(row != null){
	                if(document.getElementById("dimensionsFilterCB").checked){
			//alert("trying to set "+rowName+" hidden");
	    	            row.style.visibility = 'hidden';
			    row.style.display = "none";
	                }else{
				//alert("trying to set "+rowName+" visible");
		            row.style.visibility = 'visible';
			    if(ie){
			        row.style.display = 'block';
			    }else{
			        row.style.display = 'table-row';
			    }
	                }
	            }
		}
	    }
	}
    }
}

function rankThreeMismatch()
{
    var iCtrls = document.getElementsByTagName("input");
    var ipname, rankLbl, rank, unitsLbl, units;
    var oldUnits = "";
    var unitsMismatch = 0;
    for(var idx=0; idx < iCtrls.length; idx++){
        if(iCtrls[idx].checked){
            ipname = getProductAndInternalName(iCtrls[idx]);                                                      
            try{                                                                                                  
                rankLbl = ipname + "_RANK";                                                                       
                rank = document.getElementById(rankLbl).value;                                                    
            }catch(err){                                                                                          
                rank = 0;                                                                                         
            }                                                                                                     
            if( rank >= 3 && 
	        ( ipname.indexOf("OMTO3G") == -1 && 
		  ipname.indexOf("OMNO") == -1 && 
		  ipname.indexOf("OMHCHOG") == -1) ) {                                                                                     
                unitsLbl = ipname + "_DIMVUNITS";                                                                 
                units = document.getElementById(unitsLbl).value;  
                var compUnits = units.toLowerCase();                                                              
                // equate mb and mbar unit values - for the moment - is there really a difference?                
                if(compUnits == "mbar"){                                                                          
                    compUnits = "mb";                                                                             
                }                                                                                                 
                if(oldUnits == ""){                                                                               
                    oldUnits = compUnits;                                                                         
                }else if( oldUnits != compUnits){
		    unitsMismatch = 1;
		    break;
		}
            } // end of rank check                                                                                
        } // end of checked if                                                                                    
    } // end of iCtrls loop                                                                                       
                                                                                                                  
    // if unitsMismatch is TRUE ('1'), return true                                                      
    if(unitsMismatch){                                                                                            
        return true;                                                                                 
    }else{
	return false;
    }                   
}

function getParameterIDs()
{
    var iCtrls = document.getElementsByTagName("input");
    var pids = new Array();
    var val;
    var valCount = 0;
    for(var idx=0; idx < iCtrls.length; idx++){
        if(iCtrls[idx].checked && iCtrls[idx].type == 'checkbox'){
	    val = iCtrls[idx].value;
	    if( !(isNaN(val)) && val != "" ){
		pids[valCount] = val;
		valCount++;
	    }
	}
    }
    return pids;
}

function getRankThreeCheckedControls()
{
    //alert("getting-setting rank three checked");
    // search for checkboxes that are enabled
    //var inputs = document.getElementsByTagName("input");
    // use the table rows and their ids since there are so many hidden inputs
    // in an instance using rank 3 or 4 dimensions at this time....
    var trs = document.getElementsByTagName("tr");
    var iCtrls = new Array();
    var cid = "";
    var cElm = null;
    var count = 0;
    var trsId = "";
    for(var i=0;i<trs.length;i++){
	trsId = trs[i].id;
	// remove the 'TR_' prefix
        cid = trsId.substring(3);
	cElm = document.getElementById(cid);
	if(cElm == null){
	    cid = "Parameters_"+cid;
            cElm = document.getElementById(cid);
	}
	if(cElm != null && cElm.type == 'checkbox' && cElm.checked){
	    iCtrls[count] = cElm;
	    count++;
	}
    }
    // first, get the list of the rank 3 controls that are checked, with the target
    // control as the last in the sequence
    var controlsA = new Array(); // holds the list of checked controls
    var cIdx = 0; // the controls array index;
    var ipname;
    var dimName;
    var rank = 0;
    var units = "";
    var compUnits = "";
    var oldUnits = "";
    var unitsMismatch = 1;
    var combinedName = "";
    var combElm = null;
    var cid = "";
    var cElm = null;
    // find the checked, rank 3 or better, ctrls....and, if their units are the same
    // put them in the controlsA array...if units are not the same, stop (how?) and set
    // unitsMismatch to true (prevent enabling of the display)
    for(var idx=0; idx < iCtrls.length; idx++){
	cElm = iCtrls[idx];
	cid = cElm.id;
        // get the associated rank value from the hidden field
        if( cid.indexOf("PK_") > -1 || cElm.name == "Parameters" ){
            ipname = getProductAndInternalName(iCtrls[idx]);
	    // fetch rank information - always fetch the data product 
	    // and parameter name from the combination field ('_COMB');
	    // if the rank element substitutes the '.' between the 
	    // product name and it's version with a '_', use that to
	    // fetch the rank information - all hidden field names for
            // parameters need to be standardized - there are too many
	    // formats being used.... OKB - 11/21/08
	    rank = getParameterRank( cElm );
            if( rank >= 3 && 
		(ipname.indexOf("OMTO3G") == -1 && 
		 ipname.indexOf("OMCLD") == -1 && 
		 ipname.indexOf("OMDOA") == -1 && 
		 ipname.indexOf("OMSO2") == -1 && 
		 ipname.indexOf("OMHCHO") == -1 && 
		 ipname.indexOf("OMNO") == -1) ) {

		// get dimension units
		units = getDimensionUnits( cElm );
		// set all units to lower case for comparison
		compUnits = units.toLowerCase();
                // equate mb and mbar unit values - for the moment - is there really a difference?
                if(compUnits == "mbar"){
                    compUnits = "mb";
                }
                //alert(units);
                // check the units as we go; if we find a difference, no point in continuing;
                // halt menu population and leave control disabled
                if(oldUnits == ""){
                    oldUnits = compUnits;
                }
                if(oldUnits == compUnits){
                    unitsMismatch = 0;
                    controlsA[cIdx] = cElm;
                    cIdx++;
                }else{
                    unitsMismatch = 1;
                    break;
                }
            } // end of rank check
        } // end of checked if
    } // end of iCtrls loop

    // if unitsMismatch is TRUE ('1'), return an empty array
    if(unitsMismatch){
	//alert("there is a units mismatch");
	controlsA = new Array();
	units = "";
    }

    var vuElm = document.getElementById("verticalUnits");
    if(vuElm != null){
	vuElm.value = units;
    }
    var vuMaxElm = document.getElementById("vUnitsDisplay_max");
    if(vuMaxElm != null){
	vuMaxElm.innerHTML = units;
    }
    var vuMinElm = document.getElementById("vUnitsDisplay_min");
    if(vuMinElm != null){
	vuMinElm.innerHTML = units;
    }

    return controlsA;
}

// deprecated 5/18/09 - should be removed; OKB
function getServiceHelp(serverName){
    var sidx = document.myForm.serviceSelection.selectedIndex;
    service = document.myForm.serviceSelection.options[sidx].value;
    var url = "http://" + serverName + '/daac-bin/G3/describeService.cgi?app=' + service;
    window.open(url, 'help');
}

function getServiceInfo(newWin,event){
    var sidx = document.myForm.services.selectedIndex;
    service = document.myForm.services.options[sidx].value;
    //var url = "http://" + window.location.hostname + '/daac-bin/G3/describeService.cgi?app=' + service;
    var url = "/daac-bin/G3/describeService.cgi?app=" + service;
    if(newWin){
        newWindow(event,url,600,600,0,0,'help');
    }else{
        window.open(url, 'help');
    }
}

function updatePreferences(){
    var sidx = document.myForm.serviceSelection.selectedIndex;
    service = document.myForm.serviceSelection.options[sidx].value;
    var searchURL = window.location.search;
    var tmpStr = "";
    if(searchURL.indexOf("app") < 0){
	tmpStr = searchURL + "&app=" + service + "&";
    }else{
        var tmpA = searchURL.split("&");
        for(var i=0;i<tmpA.length;i++){
	    nvpA = tmpA[i].split("=");
	    if(nvpA[0] != ""){
	        if(nvpA[0] == "app"){
		    nvpA[1] = service + "";
	        }
	        tmpStr = tmpStr + nvpA[0] + "=" + nvpA[1] + "&";
	    }
        }
    }
    var dispState = document.getElementById('displayPreferences').value;
    if(dispState && searchURL.indexOf('displayPref')<0 ){
	tmpStr = tmpStr + "displayPreferences=1&";
    }else if(dispState && searchURL.indexOf('displayPref')>-1){
	// do nothing
    }else if(searchURL.indexOf('displayPref')>-1){
	tmpStr = tmpStr.replace("displayPreferences=1","");
    }
    if(tmpStr.indexOf("prefAnchor")<0){
	location.hash = "#prefsAnchor";
    }
	//alert(tmpStr);
    window.location.search = tmpStr;
}

function updatePrefs() {
    document.getElementById('updatingPreferences').value = 1;
    document.getElementById('updatePreferencesSUBMIT').click();
}

function updatePrefsField() {
    document.getElementById('updatingPreferences').value = 1;
}

function validateVertPickerSel(){
    var minVPElm = document.getElementById("minVertPickerMenu");
    var maxVPElm = document.getElementById("maxVertPickerMenu");
    var mismatch = 0;

    if( minVPElm == null || maxVPElm == null ){
	return true;
    }else if( minVPElm.type == "hidden" && minVPElm.value == "USETOP" ){
	// we're using a single value, no range
	if(maxVPElm.disabled == false){
	    var maxVP = maxVPElm.options[maxVPElm.selectedIndex].text;
	    if( maxVP == "----" ){
		alert("Please select a value for the 3rd dimension or de-select the associated parameter(s)");
		return false;
	    }else{
		return true;
	    }
	}else{
	    mismatch = rankThreeMismatch();
	    if(mismatch){
		alert("It appears you selected parameters whose 3rd dimenion units are different.  Giovanni cannot support this query at this time.  Please refine your query so the parameters have 3rd dimenion units that match.");
		return false;
	    }
	}
    }else if( minVPElm.type != "hidden" && minVPElm.value != "USETOP" ){
        if( minVPElm.disabled == false || 
	    maxVPElm.disabled == false ){
	    var minVP = minVPElm.options[minVPElm.selectedIndex].text;
	    var maxVP = maxVPElm.options[maxVPElm.selectedIndex].text;
	    if( minVP == "----" || 
	        maxVP == "----" ){
	        alert("Please select values for Vertical Profile range or de-select the associated 3D parameter(s)");
	        return false;
            }else{
		var min = parseFloat(minVP);
		var max = parseFloat(maxVP);
		//var serviceElm = document.getElementById("serviceSelection");
		//var serviceIdx = serviceElm.selectedIndex;
		//var service = serviceElm.options[serviceIdx].value;
		var service = getSelectedService();;
		if( is3DService(service) && min == max ){
		    alert("The service you selected requires vertical range greater than zero (min and max may NOT be equal).  Please select a different vertical range.");
		    return false;
		}else if( !(is3DService(service)) && min != max){
		    alert("The service you selected does not support vertical range at this time.  Please select a vertical 'slice' (equal min and max values), not range, or select a different service.");
		    return false;
		}else{
	            return true;
		}
            }
        }else{
	    // check the selected controls for 3D parameters; if there are any selected,
	    // minVP and maxVP should NOT be disabled unless the selected 3D parameters 
	    // are of different units....bad, bad user
	    mismatch = rankThreeMismatch();
	    if(mismatch){
		alert("It appears you have selected multiple 3D parameters whose units do NOT match.  Giovanni cannot support this query at this time.  Please refine your query until all 3D parameters have units that match OR remove all 3D parameters from your query");
	        return false;
	    }
	}
    }
}

function is3DService(service){
    if( service == "crossmap_latp" || service == "crossmap_lonp" ||         
        service == "crossmap_tp" || service == "vprofile" ){
	return true;
    }else{
	return false;
    }
}

function isRankThreePresent()
{
  try{
    if(document.getElementById("rankThreePresent").value == "true"){
	document.getElementById("ThreeDParameterCtrls").style.visibility = "visible";
	document.getElementById("ThreeDParameterCtrls").style.display = "block";
    }
    else{
	document.getElementById("ThreeDParameterCtrls").style.visibility = 'hidden';
	document.getElementById("ThreeDParameterCtrls").style.display = "none";
    }
  }catch(err){}
}

function setPrefConfig()
{
    // look for the listed elements to configure
    // this function should be generated by the xml preferences handling code
    // by detecting whieh preferences have behaviors and export the behaviors
    // into this function which gets called at document load time....hopefully
    // after the html has loaded....

    // try to set the colorMap palette - HARDCODED for now
    try{
	var radios = document.getElementsByName("colorMap:type");
	var type = "";
	for(var i=0;i<radios.length;i++){
	//	alert("checked: "+radios[i].checked+", value: "+radios[i].value);
	    if(radios[i].checked == true){
		type = radios[i].value;
	    }
	}
        var palette = document.getElementById("palette");
        var cbmin = document.getElementById(":colorMap:colorBarMin");
        var cbmax = document.getElementById(":colorMap:colorBarMax");
	if(type == "custom"){
	    palette.disabled = false;
	    cbmin.disabled = false;
	    cbmax.disabled = false;
        }
    }catch(err){}

    // try to set the regridder pre-sets - HARDCODED for now
    try{
	var radios = document.getElementsByName("regridder:mode");
	var mode = "";
	for(var i=0;i<radios.length;i++){
	//	alert("checked: "+radios[i].checked+", value: "+radios[i].value);
	    if(radios[i].checked == true){
		mode = radios[i].value;
	    }
	}
        var lat = document.getElementById("regridder:resolution:lat");
        var lon = document.getElementById("regridder:resolution:lon");
	if(mode == "custom"){
	    lat.disabled = false;
	    lon.disabled = false;
        }
        var gridRef = document.getElementsByName("regridder:gridReference");
	for(i in gridRef){
	    if(mode == "custom"){
		gridRef[i].disabled = false;
	    }
	}
    }catch(err){}

    // turn units column on by default....may want to determine by instance....
    var instanceId = document.myForm.instance_id.value;
    //var instanceId = document.getElementById("instance_id").value;
    if( instanceId.indexOf("l2g") != -1 || instanceId.indexOf("L2G") != -1 ){
        try{
	    var unitsCB = document.getElementById("unitsCB");
	    unitsCB.checked = true;
	    showHideUnitsColumn(unitsCB);
        }catch(err){}
    }


    // aersol_monthly/daily floating warning test
    //if(instanceId == "aerosol_monthly" || instanceId == "aerosol_daily"){
//	var fw = document.getElementById("floatingWarning");
//	fw.style.display = 'block';
//	fw.style.visibility = 'visible';	
//	fw.style.position = 'absolute';	
//	fw.style.top = '50px';	
//	fw.style.left = '50px';
//	fw.style.background = 'rgb(235,235,215)';
//	fw.style.color = 'rgb(60,40,0)';
//	fw.style.border = '1px solid black';	
    //}

    // set the JS state
    try{
        document.getElementById("jsState").value = 'enabled';
    }catch(err){}

    // set parameter picker to show 3D parameters only as necessary
    try{
        var dimFilterCB = document.getElementById('dimensionsFilterCB');
        if(dimFilterCB.checked){
	    filterBySelection(dimFilterCB,"");
        }
    }catch(err){}

    // show parameter units if the button is checked
    try{
        var showUnits = document.getElementById('unitsCB');
        if(showUnits.checked){
	    showHideUnitsColumn(showUnits);
        }
    }catch(err){}

    // if climatology was selected previously, make sure we show climatology
    // columns in the parameter table
    try{
	var globalClimElms = document.getElementsByName("globalClimatology");
	if(globalClimElms.length > 1){
	    // it's the landing page, so look for a set of values
	    for(var i=0;i<globalClimElms.length;i++){
	        var climRadioElm = globalClimElms[i];
	        if(climRadioElm.checked){
		    climRadioElm.checked = true;
	            selectAllClimatology(climRadioElm);
	        }
	    }
	}else{
	    // it's a result page; single value
	    var globalClim = globalClimElms[0].value;
	    if(globalClim.indexOf("globalClimatology") > -1){
		document.getElementById("byrLbl").style.visibility = 'hidden';
		document.getElementById("byr").style.visibility = 'hidden';
		document.getElementById("eyrLbl").style.visibility = 'hidden';
		document.getElementById("eyr").style.visibility = 'hidden';
	    }else{
		document.getElementById("byrLbl").style.visibility = 'visible';
		document.getElementById("byr").style.visibility = 'visible';
		document.getElementById("eyrLbl").style.visibility = 'visible';
		document.getElementById("eyr").style.visibility = 'visible';
	    }
	}
	//var climVal = globalClim.value;
	//if(climVal == "globalClimatology" || climVal == "globalAnomaly"){
             //var filterCB = document.getElementById("climatologyFilterCB");
             //filterBySelection(filterCB);
	     //   var colCB = document.getElementById("displayClimatology");
	     //   colCB.checked = true;
	     //   showSelectedColumn(colCB);
	//}
    }catch(err){}

    // initialize the default column selection in the parameter table;
    // default will show the metadata column
    try{
        var metadataCB = document.getElementById("displayMetadata");
        //if(metadataCB.checked){
	//    metadataCB.checked = true;
	    showSelectedColumn(metadataCB);
        //}
    }catch(err){}

    // try to set vertical picker menu based on selected parameters
    //try{
//	setVerticalPickerMenu();
    //}catch(err){}

    // make sure the updatePreferences field has been intialized so
    // corresponding checks are peformed in get_latlon() when the
    // form is submitted
    try{
	document.getElementById('updatingPreferences').value = 0;
    }catch(err){}
}


function setOrbitPrefConfig(instanceId) {
    // try to sort out which altitude/pressure preferences to show if using atrain
    if( instanceId == "atrain" ){
	setAltORPressurePreferences();
    }

    // if using an orbit picker, try to set the map
    if( location.href.indexOf("gui.cgi") > -1 && 
	location.href.indexOf("gsid") > -1 &&
	(instanceId == "atrain" || instanceId == "mls" || instanceId == "hirdls" ) ){
	var updateBtn = document.getElementById("mapUpdateBTN");
	display_map(updateBtn);
    }
}


function hideElement(elm){
    var fw = document.getElementById("floatingWarning");
    fw.style.display = 'none';
    fw.style.visbility = 'hidden';
}

function setAltORPressurePreferences()
{
	try{
	    var vcRadios = document.getElementsByName("verticalUnitsConversion");
	    var vc = "";
	    for(var i=0;i<vcRadios.length;i++){
		if(vcRadios[i].checked){
		    vc = vcRadios[i].value;
		}
	    }
	    var rows = document.getElementsByTagName("tr");
	    var altRows = new Array();
	    var pressRows = new Array();
	    var altCount = 0;
            var pressCount = 0;
	    var rowId = "";
	    for(var i=0;i<rows.length;i++){
		rowId = rows[i].id + "";
		if( rowId.indexOf("km") != -1 ){
		    altRows[altCount] = rows[i];
		    altCount++;
		}else if( rowId.indexOf("hPa") != -1 ){
		    pressRows[pressCount] = rows[i];
		    pressCount++;
		}
	    }
		//alert("alt rows: "+altRows.length);
		//alert("press rows: "+pressRows.length);
		//alert(vc);
	    if( vc == "yes" ){
		for(var i=0;i<pressRows.length;i++){
		    pressRows[i].style.visibility = "visible";
		    if(ie){
		        pressRows[i].style.display = "block";
		    }else{
		        pressRows[i].style.display = "table-row";
		    }
		}
		for(var i=0;i<altRows.length;i++){
		    altRows[i].style.visibility = "hidden";
		    altRows[i].style.display = "none";
		}
	    }else{
		for(var i=0;i<pressRows.length;i++){
		    pressRows[i].style.visibility = "hidden";
		    pressRows[i].style.display = "none";
		}
		for(var i=0;i<altRows.length;i++){
		    altRows[i].style.visibility = "visible";
		    if(ie){
		        altRows[i].style.display = "block";
		    }else{
		        altRows[i].style.display = "table-row";
		    }
		}
	    }
	}catch(err){}
}

function noNumbers(e)
{
    var keynum;
    var keychar;
    var numcheck;

    if(window.event) // IE
    {
      keynum = e.keyCode;
    }
    else if(e.which) // Netscape/Firefox/Opera
    {
      keynum = e.which;
    }
    keychar = String.fromCharCode(keynum);
    numcheck = /\d/;
    return !numcheck.test(keychar);
}

function noAlpha(e){
    var keynum;
    var keychar;
    var numcheck;

    if(window.event) // IE
    {
      keynum = e.keyCode;
    }
    else if(e.which) // Netscape/Firefox/Opera
    {
      keynum = e.which;
    }
 
    // NOTE:  this only seems to work correctly when the event  is 'keypress' as opposed to 
    // 'keydown'.  If the event is keydown, the key code many need to be checked directly.
    // keycode for '-' seems to be 109 with current browsers; '.' seems to be 190.   
    keychar = String.fromCharCode(keynum);
  
    // establish test pattern for digits
        numcheck = /\d/;
        //alert("num: "+keynum+", char: "+keychar);
        if(numcheck.test(keychar)){
            return true;
        }else{
            if( keychar == '-' || keychar == '\t' || keychar == '\b' || keychar == '.' 
		|| keychar == 'e' || keychar == 'E'){
                return true;
            }else{
                if(keynum == undefined ){
                    return true;
                }else{
                    return false;
                }
            }
        }
}

function olMapCheck(){
  //  var nav = navigator;
   // var ua = nav.userAgent;
   // var platform = nav.platform;
    var compatible = true;
    //if(ua.indexOf('3.0.4 Safari') != -1){
//	document.write("<div class='warning' style='text-align: center;'>WARNING: JavaScript behavior with Safari 3.0.4 is currently inconsistent.  If you are not able to make spatial selections with JavaScript enabled, it may be necessary to disable JavaScript and make spatial selections via the non-JavaScript form.</div>");
//	compatible = true;
    //}else if(platform.indexOf('Mac') != -1 && ua.indexOf('IE') != -1){
//	document.write("<div class='warning' style='text-align: center;'>NOTE: Mac IE is not compatible with the latest Giovanni Map Software.  In order to select spatial coordinates, you'll need to disable JavaScript and use the spatial selection form entry fields.</div>");
//	compatible = false;
    //}else if( platform.indexOf('Mac') != -1 && 
//	      (ua.indexOf('Firefox') == -1 && ua.indexOf('Safari') == -1 && ua.indexOf('IE') == -1) ){
//	document.write("<div class='warning' style='text-align: center;'>NOTE: You are using an unsupported browser.  In order to select spatial coordinates, you'll need to disable JavaScript and use the spatial selection form entry fields.</div>");
//	compatible = true;
 //   }
    return compatible;
}

function getEndDate(year,month){
    var d = new Date();
    d.setFullYear(year,month+1,'');
    return d.getDate();
}

function validateSpatialRange(){
    var retv = true;
    try{
        var projElm = document.getElementById("mapProjection:internalName");
	if(projElm == null){
	    projElm = document.getElementById("internalName");
	}
	if(projElm != null){
            var projection = projElm.options[projElm.selectedIndex].text;
		//alert(projection);
	    var east = document.myForm.East.value;
	    var west = document.myForm.West.value;
		//alert("projection: "+projection+", west: "+west + ", east: " + east);
	    if(east != null && west != null){
                if( (projection.indexOf("Cylind") == -1) && ( parseFloat(west) > parseFloat(east) ) ){
	            retv = false;
		    alert("Our apologies.  Currently, Giovanni cannot correctly display data which wrap the International Date Line in a non-cylindrical projection.");
                }
	    }
	    var north = document.myForm.North.value;
	    var south = document.myForm.South.value;
	    if(north != null){
		if(projection.indexOf("North Polar") != -1 && parseFloat(north) < 0 ){
		    alert("The selected data are south of the equator and so would not appear on a North Polar projection.  Please change your projection choice.");
		    retv = false;
		}
	    }
	    if(south != null){
		if(projection.indexOf("South Polar") != -1 && parseFloat(south) > 0 ){
		    alert("The selected data are north of the equator and so would not appear on a South Polar projection.  Please change your projection choice.");
		    retv = false;
		}
	    }
	}
    }catch(err){}	
    return retv;
}

function validateClimatologySelections(){
    var retv = true;
    var climFlag = false;
    try{
	var climRadios = document.getElementsByName("globalClimatology");	
        for(var i=0;i<climRadios.length;i++){
            if(climRadios[i].checked &&
               (climRadios[i].value == "globalClimatology" || climRadios[i].value == "globalAnomaly") ){
                climFlag = true;
		break;
            }
        }
    }catch(err){}
    try{
	if(climFlag){
	    var selectedParams = getSelectedParameterElements();
	    var pid = "";
	    var hasClimElm;
	    var combElm;
	    var combVal = "";
	    var msg = "Climatology or Anomaly analysis has been selected, \n";
            msg = msg + "but the following parameters do not have associated \nclimatology products: \n\n";
	    for(var i=0;i<selectedParams.length;i++){
		pid = selectedParams[i].id;
		hasClimElm = document.getElementById("climateCol:hasClimatology:TR_"+pid);
		if(hasClimElm == null){
		    combElm = document.getElementById(pid+"_COMB");
		    combVal = combElm.value;
		    msg = msg + "    - " + combVal + "\n";
		    retv = false;
		}   
	    }
	    msg = msg + "\nPlease de-select those parameters without climatology \nor choose the standard ('Parameter') analysis.";
	}
    }catch(err){}
    if( retv == false ){
	alert( msg );
    }
    return retv;
}

// check to see if the selected date range is over a year
function validateDailyDataLimit(byr,bm,bd,eyr,em,ed) {
    var isValid = true;
    var userBD = Date.parse(byr+"/"+bm+"/"+bd);
    var userED = Date.parse(eyr+"/"+em+"/"+ed);
      //var ubUTC = userBD.getTime();
      //var ueUTC = userED.getTime();
      var daysInYear = 365;
      if( byr == 1993 || byr == 1998 || byr == 2003 || byr == 2008 || byr == 2013 ||
          eyr == 1993 || eyr == 1998 || eyr == 2003 || eyr == 2008 || eyr == 2013 ){
          daysInYear = 366;
      }
      var oneYearMS = 1000 * 3600 * 24 *daysInYear;
	//alert( (userED - userBD) + ", " + oneYearMS + ", " + daysInYear );
      if( (userED - userBD) > oneYearMS ){
          isValid = false;
      }
   return isValid; 
}       
// check to see if the selected date range is over a year
function validateHourlyDataLimit(byr,bm,bd,bhr,bmin,eyr,em,ed,ehr,emin) {
    if(bmin == null){ bmin = '00'; }
    if(emin == null){ emin = '00'; }
    var isValid = true;
    var userBD = Date.parse(byr+"/"+bm+"/"+bd+" "+bhr+":"+bmin+":00");
    var userED = Date.parse(eyr+"/"+em+"/"+ed+" "+ehr+":"+emin+":00");
      //var ubUTC = userBD.getTime();
      //var ueUTC = userED.getTime();
      var monthMS = 1000 * 3600 * 24 *180;
	//alert( (userED - userBD) + ", " + oneMonthMS );
      if( (userED - userBD) > monthMS ){
          isValid = false;
      } 
   return isValid;
}


function getPlotPreferences(sid,instanceid){
   //alert("iid: "+instanceid);
   var pids = getParameterIDs();
   var pidString = pids.toString();
   var service = getSelectedService();
   var url = "plot.cgi?sid="+sid+"&amp;instance_id="+instanceid+"&amp;service="+service+"&amp;parameterIDs="+pidString;
   window.open(url, 'plotprefs');   
}

function showSelectedColumn(colCB) {
    var cbid = colCB.id;
    var colId = "";
    var colHdrId = "";
    var tds = new Array();
    if(cbid == "displayMetadata"){
	colId = "metadataCol";
	colHdrId = colId + "Hdr";
    }else if(cbid == "displayClimatology"){
	colId = "climateCol";
	colHdrId = colId + "Hdr";
    }else if(cbid == "displayDimensions"){
	colId = "dimensionsCol";
	colHdrId = colId + "Hdr";
    }

    if(ie){
	tds = document.getElementsByTagName("td");
    }
    
    if(colHdrId != ""){
	var colHdrs = new Array();
	if(ie){
	    var j=0;
	    for(var i=0;i<tds.length;i++){
		if(tds[i].name == colHdrId){
		    colHdrs[j] = tds[i];
		    j++;
	        }
	    }
	}else{
	    colHdrs = document.getElementsByName(colHdrId);
	}
	for(var i=0;i<colHdrs.length;i++){
	     showHideTableElement(colHdrs[i],colCB.checked,"","","");
	}
    }

    if(colId != ""){
	var cols = new Array();
	if(ie){
	    tds = document.getElementsByTagName("td");
	    var j=0;
	    for(var i=0;i<tds.length;i++){
		if(tds[i].name == colId){
		    cols[j] = tds[i];
		    j++;
	        }
	    }
	}else{
	    cols = document.getElementsByName(colId);
	}
	for(var i=0;i<cols.length;i++){
	    showHideTableElement(cols[i],colCB.checked,"","","");
	}
    }

}

function showHideTableElement(elm,flag,displayType,displayAction,displayTarget) {
    //var elm = document.getElementById(elmId);
    if(displayType == ""){
	displayType = "table-cell";
    }
    var elmId = elm.id;
	//alert("id: "+elm.id+", name: "+elm.name+", "+flag+", "+displayType+", "+displayAction+", "+displayTarget);
    var inputId = "";
    if(displayTarget != ""){
	elm = document.getElementById(displayTarget);
    }
    // assume, for the moment, that it's a row element and it's id
    // is prefaced with 'TR_'
    var trPrefix = "TR_";
    if(flag){
    	if(displayAction == "disable"){
	    inputId = elmId.substring(trPrefix.length);
	    document.getElementById(inputId).disabled = false;
	}else{
	    if(ie){
	        elm.style.display = "block";
	    }else{
	        elm.style.display = displayType + "";
	    }
	    elm.style.visibility = "visible";
	}
    }else{
	if(displayAction == "disable"){
	    inputId = elmId.substring(trPrefix.length);
	    document.getElementById(inputId).disabled = true;
	    if(document.getElementById(inputId).checked){
		document.getElementById(inputId).checked = false;
	    }
	    //document.getElementByID(inputId).style.visibility = "hidden";
	}else{
            elm.style.visibility = "hidden";
            elm.style.display = "none";
	}
    }
}

function showSelectedColumns() {
    //var colSelect = document.getElementById("columnDisplayOptions");
    //var colURL = colSelect.options[colSelect.selectedIndex].value;
    var searchURL = window.location.search;
    searchURL = decodeURI( searchURL );
	//alert(searchURL);
    var displayHeader = "display=";
    var lastAmpIdx = searchURL.lastIndexOf("&");
    if(lastAmpIdx != (searchURL.length - 1) ){
	displayHeader = "&display=";
    }
    var displayParam = displayHeader;
    try{
        if(document.getElementById("displayMetadata").checked){
	    displayParam += document.getElementById("displayMetadata").value + ",";
        }
    }catch(err){}
    try{
        if(document.getElementById("displayDimensions").checked){
    	    displayParam += document.getElementById("displayDimensions").value + ",";
        }
    }catch(err){}
    try{
        if(document.getElementById("displayClimatology").checked){
		//alert("climatology checked");
	    displayParam += document.getElementById("displayClimatology").value;
        }
    }catch(err){}
	//alert("params:" + displayParam);
    var displayIdx = searchURL.indexOf( displayHeader );

    // if none of the column displays is checked....
    if( displayParam.length == displayHeader.length ){
	displayParam = "";
    }

        if(displayIdx != -1){
	    //displayIdx -= 1;
	    //alert(displayIdx);
            var nextIdx = searchURL.indexOf("&", (displayIdx + displayHeader.length) );
            if(nextIdx == -1){
	        //nextIdx = searchURL.indexOf(displayIdx,"parameters");
	        //if(nextIdx != -1){
	    //	nextIdx -= 1;
	        //}
		
            }
	    //alert("nextIdx: "+nextIdx);
            var tmpStr1 = searchURL.substring(0,displayIdx);
	    //alert("str1: "+tmpStr1);
	    var tmpStr2 = "";
	    if(nextIdx != -1){
                var tmpStr2 = searchURL.substr(nextIdx);
	        //alert("str2: "+tmpStr2);
    	    }
            searchURL = tmpStr1 + displayParam + tmpStr2;
        }else{
	    searchURL += displayParam;
        }
    
    //}else{ // nothing should be showing, so make sure 'display=' is empty
    
    //} 

    var fromHash = window.location.hash;
    if(fromHash == ""){
	window.location.hash = "parameters";
    }
    window.location.search = encodeURI( searchURL );
}

function filterBySelection(filterCB,displayAction) {
    var cbid = filterCB.id;
    if( cbid.indexOf("climatology") > -1 ){
	var climCols = new Array();
	if(ie){
	    var tds = document.getElementsByTagName("td");
	    var j=0;
	    for(var i=0;i<tds.length;i++){
	        if(tds[i].name == "climateCol"){
		    climCols[j] = tds[i];
		    j++;
		}
	    }
	}else{
	    climCols = document.getElementsByName("climateCol");
	}
	var colCnt = climCols.length;
	var colsId = "";
	var row;
	var idA;
	var rowId = "";
	for(var i=0;i<climCols.length;i++){
	    colsId = climCols[i].id;
	    if( colsId.indexOf("noClimatology") >= 0 ){
		idA = colsId.split(":");
		rowId = idA[2];
		row = document.getElementById(rowId);
		showHideTableElement(row,!filterCB.checked,"table-row",displayAction,"");
	    }
	}
	//var metadataColCB = document.getElementById("displayMetadata");
	//var climateColCB = document.getElementById("displayClimatology");
	//metadataColCB.checked = !filterCB.checked;
	//showSelectedColumn(metadataColCB);
	//climateColCB.checked = filterCB.checked;
	//showSelectedColumn(climateColCB);
    }else if( cbid.indexOf("dimensionsFilter") > -1 ){
	var tableRows = document.getElementsByTagName("tr");
	var tableRowElm;
	var trId;
	var combElmId;
	var combVal;
	var rankElmId;
	var rankElm = null;
	var rankVal = 999;
	var trStr = "TR_";
	for(var i=0;i<tableRows.length;i++){
	    tableRowElm = tableRows[i];
	    trId = tableRowElm.id;
	    if(trId.indexOf(trStr) > -1){
	        trId = trId.substr(trStr.length);
	        combElmId = trId + "_COMB";
	        combVal = document.getElementById(combElmId).value;
		combVal = combVal.replace(/::/,"_");
	        rankElmId = combVal + "_RANK";
	        rankElm = document.getElementById(rankElmId);
		if(rankElm == null){
		    rankElmId = rankElmId.replace(/\./g,"_");
		}
	        rankElm = document.getElementById(rankElmId);
		if(rankElm != null){
	            rankVal = rankElm.value;
		}
		
	        if(parseInt(rankVal) <= 2){
		    showHideTableElement(tableRowElm,!filterCB.checked,"table-row",displayAction,"");
	        }
	    }
	}
    }
    
}

function filterBySelections() {
    var searchURL = window.location.search;
    var filterHeader = "filters=";
    var ampIdx = searchURL.indexOf("&filters=");
    if(ampIdx == -1){
	filterHeader = "&filters=";
    }
    var filterParam = filterHeader
    try{
        if(document.getElementById("dimensionsFilterCB").checked){
	    filterParam += document.getElementById("dimensionsFilterCB").value + ",";
        }
    }catch(err){}
    try{
    if(document.getElementById("ClimatologyFilterCB").checked){
	filterParam += document.getElementById("ClimatologyFilterCB").value;
    }
    }catch(err){}
    // if none of the filters are checked....
    if( filterParam.length == filterHeader.length ){
	displayParam = "";
    }
    var filterIdx = searchURL.indexOf( filterHeader);

        if(filterIdx != -1){
            var nextIdx = searchURL.indexOf("&", (filterIdx + filterHeader.length) );
	    //alert("nextIdx: "+nextIdx);
            var tmpStr1 = searchURL.substring(0,filterIdx);
	    //alert("str1: "+tmpStr1);
	    var tmpStr2 = "";
	    if(nextIdx != -1){
                var tmpStr2 = searchURL.substr(nextIdx);
	        //alert("str2: "+tmpStr2);
    	    }
            searchURL = tmpStr1 + filterParam + tmpStr2;
        }else{
	    searchURL += filterParam;
        }

    var fromHash = window.location.hash;
    if(fromHash == ""){
	window.location.hash = "parameters";
    }

    window.location.search = searchURL;
}


function showClimatologyRows()
{
    // for each parameter checkbox having an associated climatology selection
    // based on var display value
    var ctrls = document.getElementsByTagName("input");
    var gname = ""; // group name
    for(var idx=0; idx<ctrls.length;idx++){
	// see if the control is a checkbox
	if(ctrls[idx].type == 'checkbox'){
	    var cid = ctrls[idx].id;
	    //alert("cid: "+cid);
	    if(cid.indexOf("CB_") != -1){
		// it's a group checkbox
		// save the group name
		gname = cid.substring(6,cid.length);
	    }
	    var paramName = "";
	    // see if the checkbox id is handling parameters ('PK_')
	    if( (cid.indexOf("PK_") != -1 && cid.indexOf("CB_") == -1) ||
		(ctrls[idx].name.indexOf("Parameters") != -1) ){
	        var strippedName = getProductAndInternalName(ctrls[idx]);
		var combID = cid + "_COMB";
		
		var basicID = document.getElementById(combID).value;

		// check to see if there is a climatology control
		var hasClimatology = false;
		var cname = ctrls[idx].name;
		var cvalue = ctrls[idx].value;
	  	var tmp = cid.substr( cname.length );
		var parmName = tmp.substring( 0, (tmp.length - cvalue.length) );
		//alert(parmName);

		if(hasClimatology){
	            //var rowName = "TR_PK_"+gname+"_"+paramName;
	            var rowName = "TR_PK_" + basicID;
		    if(ctrls[idx].name.indexOf("Parameters") != -1){
			rowName = "TR_" + basicID;
		    }
		    var row = document.getElementById(rowName);
	            if(row != null){
	                if(document.getElementById("dimensionsFilterCB").checked){
			//alert("trying to set "+rowName+" hidden");
	    	            row.style.visibility = 'hidden';
			    row.style.display = "none";
	                }else{
				//alert("trying to set "+rowName+" visible");
		            row.style.visibility = 'visible';
			    if(ie){
			        row.style.display = 'block';
			    }else{
			        row.style.display = 'table-row';
			    }
	                }
	            }
		}
	    }
	}
    }
}

function enableClimatology(paramElm){
    var parmId = paramElm.id;
    var combId = parmId + "_COMB";
    var datasetAndParmName = document.getElementById(combId).value;
    var tmpA = datasetAndParmName.split("::");
    var ds = tmpA[0];
    var paramName = datasetAndParmName.substr( ds.length + 2 );
	//alert(paramName);
    var climId = "climatology:"+ds+":"+paramName;
    var anomId = "anomaly:"+ds+":"+paramName;
    var normAnomId = "normAnomaly:"+ds+":"+paramName;
    try{
        if( paramElm.checked ){
            document.getElementById(climId).disabled = false;
            document.getElementById(anomId).disabled = false;
            document.getElementById(normAnomId).disabled = false;
        }else{
            document.getElementById(climId).disabled = true;
            document.getElementById(anomId).disabled = true;
            document.getElementById(normAnomId).disabled = true;
        }
    }catch(err){}
}

// used by the global climatology/anomaly switches to set 
// one analysis or the other on all of the selected parameters;
// current tweaked for global functionality only, but still 
// generally applicable to parameter-specific upgrades.
function selectAllClimatology(cbElm){
    // get the instance parameters
    var params = getParameterElements();
	//alert(params.length);

    // for each parameter, if it has climatology, 
    // select it's climatology radio button
    for(var i=0;i<params.length;i++){
	var parmId = params[i].id;
	var paramA = getParamInfo(parmId);
	var ds = paramA[0];
	var pName = paramA[1];
	var type = cbElm.value;
	var cid = type + ":" + ds + ":" + pName
	  //alert(cid);
	var climElm = "";
	try{
	    climElm = document.getElementById(cid);
	    climElm.checked = true;
	}catch(err){}
    }

    // If climatology is selected, show the climatology column and
    // filter the parameters so only the parameters having 
    // climatology are enabled; also disable the beginning and ending
    // year drop-down lists, AND grey-out those services that do not
    // currently support climatology requests (yikes).
    var climId = cbElm.id;
    var climateColCB = document.getElementById("displayClimatology");
    var climateFilterCB = document.getElementById("climatologyFilterCB");
    var dataProductCB = document.getElementById("displayMetadata");
    var byrElm = document.getElementById("byr");
    var byrLbl = document.getElementById("byrLbl");
    var eyrElm = document.getElementById("eyr");
    var eyrLbl = document.getElementById("eyrLbl");
    if( climId.indexOf("globalClim") > -1 ||
	climId.indexOf("globalAnom") > -1 ){
        climateColCB.checked = true;
	climateFilterCB.checked = true;
	showSelectedColumn(climateColCB);
	if(dataProductCB.checked){
	    dataProductCB.checked = false;
	    showSelectedColumn(dataProductCB);
	}
	filterBySelection(climateFilterCB,'disable');
	// return the filter checkbox to false since we're only
	// disabling the rows now, not making them disappear...
        climateFilterCB.checked = false;
	if(climId.indexOf("globalClim") > -1){
	    document.getElementById("savedBYR").value = byrElm.options[byrElm.selectedIndex].text;
	    //byrElm.disabled = true;
	    byrElm.style.visibility = "hidden";
	    document.getElementById("savedEYR").value = eyrElm.options[eyrElm.selectedIndex].text;
	    //eyrElm.disabled = true;
	    eyrElm.style.visibility = "hidden";
	    byrLbl.style.visibility = "hidden";
	    eyrLbl.style.visibility = "hidden";
	}else{
	    //byrElm.disabled = false;
	    //eyrElm.disabled = false;
	    byrElm.style.visibility = "visible";
	    eyrElm.style.visibility = "visible";
	    byrLbl.style.visibility = "visible";
	    eyrLbl.style.visibility = "visible";
	}
    }else{
        climateColCB.checked = false;
	climateFilterCB.checked = false;
	dataProductCB.checked = true;
	showSelectedColumn(climateColCB);
	showSelectedColumn(dataProductCB);
	filterBySelection(climateFilterCB,'disable');
	if(climId.indexOf("globalClim") == -1){
	    //byrElm.disabled = false;
	    //eyrElm.disabled = false;
	    byrElm.style.visibility = "visible";
	    eyrElm.style.visibility = "visible";
	    byrLbl.style.visibility = "visible";
	    eyrLbl.style.visibility = "visible";
	}
    }
    setServicesForClimatology(climId);
}

function setServicesForClimatology(climId) {
    var serviceSelElm = document.getElementById("serviceSelection");
    var serviceOpts = serviceSelElm.options;
    var opt;
    if( climId.indexOf("globalClim") > -1 ){
	for(var i=0;i<serviceOpts.length;i++){
	    opt = serviceOpts[i];
	    if( opt.value == "scatterplot" ||
		opt.value == "scatterplot_tavg" ){
		opt.disabled = true;
	    }
	}
    }else{
	for(var i=0;i<serviceOpts.length;i++){
	    opt = serviceOpts[i];
	    if( opt.value == "scatterplot" ||
		opt.value == "scatterplot_tavg" ){
		opt.disabled = false;
	    }
	}
    }
}

/*** 2008-08-05 by Xiaopeng Hu ***/
/***
     The following section adds the functions for KMZ to generate an image
     mixing with other parameters

***/

function fetchParamOptions(myId, targetURL, app, paramtime, chkBoxId, linkId) {
	var xmlHttpReq = false;
	var self = this;
	
	//Mozilla/Safari
	if (window.XMLHttpRequest) {
		self.xmlHttpReq = new XMLHttpRequest();
	} else if (window.activeXObject) {
		self.xmlHttpReq = new ActiveXObject("Microsoft.XMLHTTP");
	}
	
	self.xmlHttpReq.open('POST', targetURL, true);
	self.xmlHttpReq.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	self.xmlHttpReq.onreadystatechange = function () {
		
		if (self.xmlHttpReq.readyState == 4) {
			displayParamOptions(self.xmlHttpReq.responseText);
			setCheckbox(myId);
		}
		if (self.xmlHttpReq.readyState == 0) {
			displayParamOptions("Failed to open the Parameter Option Panel");
		}
	}
	
	self.xmlHttpReq.send(getParamInfo(app, paramtime, chkBoxId, linkId));
	
}

function getParamInfo(app, timeval, chkBoxId, linkId) {
	var query = "app=" + app + "&timeval=" + timeval + "&bId=" + chkBoxId + "&lnkId=" + linkId;
	return query;
}

function displayParamOptions(parmStr) {
	document.getElementById("parmControlPanel").innerHTML = parmStr;

}


/**** called from mixedParamsForKmz.cgi ***/
function updateParmValue(myId, chkBoxId, linkId) {
	try {
	     var num;
	     var pval="";
	     var first = 1;
	     
	     /** to get rid of layerNames values if any found **/
	     resetDefault(chkBoxId, linkId, '');
	     
	     /*** now to update the checkbox and link values ***/
	     if (document.dl.optionalParms) {
	     	num = document.dl.optionalParms.length;
		if (num != undefined) {
		    for (var i=0; i<num; i++) {
		       if (document.dl.optionalParms[i].checked) {
		       		// append the new parameter to the link and checkbox
				if (first == 1) {
					pval = document.dl.optionalParms[i].value;
					first = 0;
				} else {
					pval = pval + " " + document.dl.optionalParms[i].value; 
				}
		       }
       	            }
		}
	     }
	     
	     
	     document.getElementById(chkBoxId).value = document.getElementById(chkBoxId).value + "&layerNames=" + pval; 
	     document.getElementById(linkId).href = document.getElementById(linkId).href  + "&layerNames=" + pval;  
	     
	     hideMessage(myId);
	     
	} catch(err) {
    		//alert("Error: " + err.description);
    	}
}

/** hide the messaged specified by the Id from showing **/
function hideMessage(myId) {
	document.getElementById(myId).style.visibility="hidden";
	document.getElementById(myId).style.display="none";
			      
}

function resetDefault (chkBoxId, linkId, mode) {
	var ckboxVal = document.getElementById(chkBoxId).value;
	var linkVal  = document.getElementById(linkId).href;  
	var holder;
	
	holder = ckboxVal.split("&layerNames");
	holder[0].replace(/&$/,"");
	document.getElementById(chkBoxId).value = holder[0];
	
	holder = linkVal.split("&layerNames");
	holder[0].replace(/&$/,"");
	document.getElementById(linkId).href = holder[0];
	
	if (mode == "batch") {
		var num = document.dl.optionalParms.length;
	
		for (var i=0; i < num; i++) {
			document.dl.optionalParms[i].checked = false;
		}
	}
}

// get ALL parameter (HTML control) elements on the landing page (i.e., in the instance)
function getParameterElements(){
    var inputs = document.getElementsByTagName("input");
	//alert(inputs.length);
    var parameters = new Array();
    var pcnt = 0;
    var elmName = "";
    for(var i=0;i<inputs.length;i++){
	elmName = inputs[i].name;
        if( inputs[i].type == "checkbox" &&
	    elmName.indexOf("CB_") < 0 &&
	    ( elmName.indexOf("PK_") >= 0 ||
	      elmName.indexOf("Parameters") >= 0 ) ){
            parameters[pcnt] = inputs[i];
	    pcnt++;
	}
    }
    return parameters;
}

// get the selected parameters on the landing page
function getSelectedParameterElements(){
    // get the instance parameters 
    var parameters = getParameterElements();
	//alert(parameters.length);
    // figure out which parameters are selected
    var selected = new Array();
    var scnt = 0;
    for(var i=0;i<parameters.length;i++){
        if(parameters[i].checked){
	    selected[scnt] = parameters[i];
	    scnt++;
	}
    }
    return selected;
}

function getParamInfo(paramId){
    var combId = paramId + "_COMB";
    var datasetAndParmName = document.getElementById(combId).value;
    var tmpA = datasetAndParmName.split("::");
    var ds = tmpA[0];
    var paramName = datasetAndParmName.substr( ds.length + 2 );
    var paramA = new Array();
    paramA[0] = ds;
    paramA[1] = paramName;
    return paramA;
}

function getParameterRank(elem){
    var pid = elem.id;
    var pInfo = getParamInfo(pid);
    var ds = pInfo[0];
	//alert(ds);
    ds = ds.replace(/\./g,'_');
    var param = pInfo[1];
	//alert(param);
    var rankId = ds + '_' + param + '_RANK';
	//alert(rankId);
    var rankVal = '2';
    var rankElm = document.getElementById(rankId);
    if(rankElm != null){
        rankVal = document.getElementById(rankId).value;
    }
    return rankVal;
}

function getDimensionInfo(elem){
    var pid = elem.id;
    var pInfo = getParamInfo(pid);
    var ds = pInfo[0];
	//alert(ds);
    var param = pInfo[1];
    var product = ds + '_' + param;
	//alert(param);
    var dimValId = product + '_DIMVALUES';
	//alert(rankId);
    var dimInfoA = new Array();
    var dimVals = "";
    var dimValElm = document.getElementById(dimValId);
    if(dimValElm != null){
        dimVals = dimValElm.value;
	dimInfoA.push(dimVals);
	if(dimVals != ""){
	    var dimType = document.getElementById( product + '_DIMTYPE' ).value;
	    dimInfoA.push(dimType);
	    var dimUnits = document.getElementById( product + '_DIMVUNITS' ).value;
	    dimInfoA.push(dimUnits);
	    var dimVSMin = document.getElementById( product + '_VSMIN' ).value;
	    dimInfoA.push(dimVSMin);
	    var dimVSMax = document.getElementById( product + '_VSMAX' ).value;
	    dimInfoA.push(dimVSMax);
	}
    }
    return dimInfoA;
}

function getDimensionUnits(elem){
    var pid = elem.id;
    var pInfo = getParamInfo(pid);
    var ds = pInfo[0];
	//alert(ds);
    var param = pInfo[1];
    var product = ds + '_' + param;
	//alert(param);
    var dimUnitsId = product + '_DIMVUNITS';
	//alert(rankId);
    var dimUnits = "";
    var dimUnitsElm = document.getElementById(dimUnitsId);
    if(dimUnitsElm != null){
	dimUnits = dimUnitsElm.value;
    }
    return dimUnits;
}

function setCheckbox(myId) {
	var pos = 0;
	
	var srcVal = document.getElementById(myId).value;
	var num = document.dl.optionalParms.length;
	
	for (var i=0; i < num; i++) {
		var bVal = document.dl.optionalParms[i].value;
		pos = srcVal.indexOf(bVal);
		if (pos > 0) {
			document.dl.optionalParms[i].checked = true;
		}
	}
}

function printTimeStampComment() {
    var d = new Date();
    document.write("<!-- ");
    document.write(d.getHours());
    document.write(".");
    document.write(d.getMinutes());
    document.write(".");
    document.write(d.getSeconds());
    document.write(".");
    document.write(d.getMilliseconds());
    document.write(" -->");
}

// initial implementation only disables intercomp services
// when the product is OMSO2G.003 and one of the selected
// parameters is not from OMSO2G.003 ....  i.e., currently
// this function is only called when the dp is OMSO2G.003
function disableServices(elm){

    var so2Selected = false;
    var nonSO2Selected = false;
    var selParmA = getSelectedParameterElements();
    var pInfoA = new Array();
    var srvElm = document.getElementById("serviceSelection");
    var services = srvElm.options;
    var opt;
    var invalidSrvA = 
	new Array ( "scatterplot", "scatterplot_tavg", "comparisonplot","latlonplot_diff","timeseries_diff","latlonplot_corr" );
    for(var i=0;i<selParmA.length;i++){
        pInfoA = getParamInfo(selParmA[i].id);
        if( pInfoA[0] == "OMSO2G.003" ){
	    so2Selected = true;
        }
        if( pInfoA[0] != "OMSO2G.003" ){
	    nonSO2Selected = true;
        }
    }

    if( so2Selected && nonSO2Selected ){
        // disable the appropriate services
        // since at least one of the selected parameters
        // is not OMSO2G.003, disable intercomp services
        for(var j=0;j<services.length;j++){
            opt = services[j];
	    for(var k=0;k<invalidSrvA.length;k++){
		if( opt.value == invalidSrvA[k] ){
                    opt.disabled = true;
		}
	    }
        }
    }else{
        // make sure all of the services are enabled .... for now....
        for(var j=0;j<services.length;j++){
            opt = services[j];
	    opt.disabled = false;
        }
    }
}