function preparePopUps() {
	if (!document.getElementsByTagName) return false;
	var links = document.getElementsByTagName("a");
	for (var i=0; i<links.length; i++) {
		if (links[i].className.toLowerCase() == "popup") {
			links[i].onclick = function() {
				popUp(this.getAttribute("href"));
				return false;
			}
		}
	}
}
function popUp(winURL) {
	window.open(winURL,"popup","width=640,height=480,resizable=1,maximize=1,top=50,left=50,menubar=1,toolbar=1,scrollbars=1,status=1,location=1");
}