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

function dyniframesize(iframename) {
var pTar = null;
if (document.getElementById){
	pTar = document.getElementById(iframename);
}
else{
	eval('pTar = ' + iframename + ';');
}
if (pTar && !window.opera){
	//begin resizing iframe
	pTar.style.display="block"
	
pTar.height=630;
	
	if (pTar.contentDocument && pTar.contentDocument.body.offsetHeight){
	//ns6 syntax
	pTar.height = pTar.contentDocument.body.offsetHeight+FFextraHeight; 
	}
	else if (pTar.Document && pTar.Document.body.scrollHeight){
	//ie5+ syntax
	pTar.height = pTar.Document.body.scrollHeight;
	}
}
}