//** Dynamic Drive Equal Columns Height script v1.01 (Nov 2nd, 06)
//** http://www.dynamicdrive.com/style/blog/entry/css-equal-columns-height-script/

var ddequalcolumns=new Object()
//Input IDs (id attr) of columns to equalize. Script will check if each corresponding column actually exists:
//ddequalcolumns.columnswatch=["leftcolumn", "rightcolumn", "contentwrapper"]
//ddequalcolumns.columnswatch=["leftcolumn", "rightcolumn", "centerColumn",  "contentwrapper"]
ddequalcolumns.columnswatch=["leftcolumn", "rightcolumn", "maincontent",  "contentwrapper", "centerColumn"]

//ddequalcolumns.columnswatch=["leftcolumn", "Article", "contentwrapper"]

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){
//alert('point 1');
//alert(this.columnswatch[i]+'='+document.getElementById(this.columnswatch[i]).offsetHeight);
//alert('point 2');
		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
	}

}
//alert('1st tallest:'+tallest);

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+=1)+"px";
//alert('final tallest:'+tallest);
}

}
}

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

ddequalcolumns.dotask=function(target, functionref, tasktype){ //assign a function to execute to an event handler (ie: onunload)
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()", 2000)}, "resize")