function externalLinks() { 
	if (!document.getElementsByTagName) return; 
	var anchors = document.getElementsByTagName("a"); 
	for (var i=0; i<anchors.length; i++) { 
		var anchor = anchors[i]; 
		if (anchor.getAttribute("href") && 
			anchor.getAttribute("rel") == "external") 
			anchor.target = "_blank"; 
		} 
	} 
window.onload = externalLinks;

function getHeight() {
	return (window.frames['monIframe'].returnHeight())+20;	
}

function setHeight() {
	var docHeight=getHeight();
	document.getElementById('monIframe').style.height = docHeight+'px';
	document.getElementById('iframe').style.height = docHeight+'px';
}