var ddequalcolumns=new Object()
//Input IDs (id attr) of columns to equalize. Script will check if each corresponding column actually exists:


if (navigator.appName == "Microsoft Internet Explorer")   
		{
		ddequalcolumns.columnswatch=["leftcolumnG", "rightcolumnG"];
		}
if (navigator.appCodeName == "Mozilla")   
		{
		ddequalcolumns.columnswatch=["leftcolumnG", "rightcolumnG"];
		}		
		

//ddequalcolumns.columnswatch=["leftnavwrapper", "maincolumn"] // For IE Browser
//ddequalcolumns.columnswatch=["homewrapper", "maincolumn"]  // For Mozilla Browser
ddequalcolumns.setHeights=function(reset){
var tallest=0
var resetit=(typeof reset=="string")? true : false
    for (var i=0; i<this.columnswatch.length; i++){
        if (document.getElementById(this.columnswatch[i])!=null){
            if (resetit)
                document.getElementById(this.columnswatch[i]).style.height="auto"
            if (document.getElementById(this.columnswatch[i]).offsetHeight>tallest)
                tallest=document.getElementById(this.columnswatch[i]).offsetHeight
            }
    }
    if (tallest>0){
        for (var i=0; i<this.columnswatch.length; i++){
            if (document.getElementById(this.columnswatch[i])!=null)
                document.getElementById(this.columnswatch[i]).style.height=tallest+"px"
        }
    }
}

ddequalcolumns.resetHeights=function(){
    this.setHeights("reset")
}

//assign a function to execute to an event handler (ie: onunload)
ddequalcolumns.dotask=function(target, functionref, tasktype){ 
var tasktype=(window.addEventListener)? tasktype : "on"+tasktype
    if (target.addEventListener)
        target.addEventListener(tasktype, functionref, false)
    else if (target.attachEvent)
        target.attachEvent(tasktype, functionref)
}

ddequalcolumns.dotask(window, function(){
    ddequalcolumns.setHeights()}, "load")
/*ddequalcolumns.dotask(window, function(){
    if (typeof ddequalcolumns.timer!="undefined") clearTimeout(ddequalcolumns.timer); ddequalcolumns.timer=setTimeout("ddequalcolumns.resetHeights()", 200)}, "resize")
*/