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

function hide(id)
{
	document.getElementById(id).style.display = 'none';	
}

function show(id, evt)
{
	document.getElementById(id).style.display = '';
	cancelBubble(evt);
}

function cancelBubble(e)
{
	if (!e) var e = window.event;
	e.cancelBubble = true;
	if (e.stopPropagation) e.stopPropagation();
}