function make(){ 
var lheight,rheight,radd;
radd=30;

var d = document.getElementById("left");
if (d)
{

lheight=document.getElementById("left").offsetHeight; 
rheight=document.getElementById("right_content").offsetHeight; 
//alert(lheight);
//alert(rheight);
	if(lheight > rheight+radd)
		{
//		alert('l>r');
//		alert(lheight-radd);
		document.getElementById("right_content").style.height = "0" + "px";
		document.getElementById("right_content").style.height = lheight-radd+"px";
		}
	else
		{
//		alert('r>l');
//		alert(rheight+radd);
		document.getElementById("left").style.height = "0" + "px";
		document.getElementById("left").style.height = rheight+radd +"px";
		}
} 

}

make();

//addLoadEvent(initCategory());
//function killErrors() {
//return true;
//}
//window.onerror =killErrors;