function getDocHeight(doc) {
	var docHt = 0, sh, oh;
	if (doc.height){
		docHt = doc.height;
	}else if (doc.body) {
		if (doc.body.scrollHeight) docHt = sh = doc.body.scrollHeight;
		if (doc.body.offsetHeight) docHt = oh = doc.body.offsetHeight;
		if (sh && oh) docHt = Math.max(sh, oh);
	}
	return docHt;
}

function setIframeHeight(iframeName) {
	var iframeWin = window.frames[iframeName];
	var iframeEl = document.getElementById? document.getElementById(iframeName): document.all? document.all[iframeName]: null;
	if ( iframeEl && iframeWin ) {
		iframeEl.style.height = "auto"; // helps resize (for some) if new doc shorter than previous  
		var docHt = getDocHeight(iframeWin.document);
		// need to add to height to be sure it will all show
		if (docHt) iframeEl.style.height = docHt + 30 + "px";
		iframeEl.style.overflowX = 'auto';
		iframeEl.style.overflowY = 'hidden';
	}
}

function loadIframe(iframeName, url) {
	if ( window.frames[iframeName] ) {
		window.frames[iframeName].location = url;   
		return false;
	}
	else return true;
}

function PopWin(url) {
	var WindowWidth = 550;
	var WindowHeight = 470;
	var WindowTop = (screen.availHeight/2) - (WindowHeight/2);
	var WindowLeft = (screen.availWidth/2) - (WindowWidth/2);
	var WindowProps = 'toolbar=0,location=0,status=0,menubar=0,scrollbars=yes,resizable,width='+WindowWidth+',height='+WindowHeight+',left='+WindowLeft+',top='+WindowTop+',screenx='+WindowLeft+',screeny='+WindowTop;
	PoppedWin = window.open(url,"PoppedWin",WindowProps);
	PoppedWin.focus();
	return;
}