var i = 0;
var height1 = 0;
var height2 = 0;
function setColHeight(what1,what2){
i++;
height1=document.getElementById(what1).offsetHeight;
height2=document.getElementById(what2).offsetHeight;
if (height1>height2){document.getElementById(what2).style.height=height1+'px';}
if (height2>height1){document.getElementById(what1).style.height=height2+'px';}
if (height1==height2){return;}
//document.getElementById("debug").innerHTML = "iterations: " + i + " :: height1: " + height1 + " :: height2: " + height2;
}
setInterval("setColHeight('content','rightside')",1);