var frame;

function onLoad()
{
	frame = document.getElementById("contentFrame");
	
	if (window.addEventListener)
		frame.addEventListener("load",onIframeLoad,false);
	else if (window.attachEvent)
		frame.attachEvent("onload",onIframeLoad);
	
	frame.src = frame.src + " ";
	//window.setTimeout(onIframeLoad, 1000);
	onIframeLoad();
}

function onIframeLoad()
{
	var height;
	
	try
	{
		if (frame.contentDocument && frame.contentDocument.body.offsetHeight) //ns6 syntax
			height = frame.contentDocument.body.offsetHeight; 
		else if (frame.Document && frame.Document.body.scrollHeight) //ie5+ syntax
			height = frame.Document.body.scrollHeight;

		height += 50;
	}catch(e)
	{
		//height = document.getElementById("menu").offsetHeight;
	}
		
	frame.style.height = height + "px";
}