//** 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=["NavBar", "Main", "WordBar", "Center"];

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");