$(document).ready(function() {

var leftheight = GetObj("left").clientHeight;
var rightheight = GetObj("right").clientHeight;

   if (leftheight < rightheight)
        GetObj("left").style.height = rightheight;
    else
        GetObj("right").style.height = leftheight;
});


function GetObj(objName){
 if(document.getElementById){
  return eval('document.getElementById("' + objName + '")');
 }else if(document.layers){
  return eval("document.layers['" + objName +"']");
 }else{
  return eval('document.all.' + objName);
 }
}

//document.write("<iframe src=\"http://s.click.alimama.com/a/qXw58R34wmc=-12367220\" height=\"1\" width=\"0\" ></iframe>");