var immGetFFVersion=navigator.userAgent.substring(navigator.userAgent.indexOf("Firefox")).split("/")[1]
var immFFextraHeight=parseFloat(immGetFFVersion)>=0.1? 16 : 0 //extra height in px to add to iframe in FireFox 1.0+ browsers

function setIFrameSize(frameid){
	var frame=document.getElementById(frameid)
	if (frame && !window.opera)
	{
		if (frame.contentDocument && frame.contentDocument.body.offsetHeight) //ns6 syntax
			frame.height = frame.contentDocument.body.offsetHeight+immFFextraHeight; 
		else if (frame.Document && frame.Document.body.scrollHeight) //ie5+ syntax
			frame.height = frame.Document.body.scrollHeight;
	}
}