//** 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.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")
}

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()", 200)}, "resize")