//Function to set the iframe height to 100 %

function resize_iframe()
{

	var height=window.innerWidth;//Firefox
	if (document.body.clientHeight)
	{
		height=document.body.clientHeight;//IE
	}
	//resize the iframe according to the size of the
	//window (all these should be on the same line)
	document.getElementById("external").style.height=parseInt(height-document.getElementById("external").offsetTop-8)+"px";
}