function init() {
		var links = document.getElementsByTagName('a');
		for (var i = links.length; i != 0; i--) {
			var a = links[i-1];
			if (!a.href) continue;
			if (a.className && a.className.indexOf('external') != -1) a.onclick = PopWin;
		}
	}
	
function PopWin(e) {
		if (!e) var e = window.event;
		var a = e.target ? e.target : e.srcElement;
		var newwin = window.open(a.href);
		return !newwin;                               
	}
	
onload = init;