if(window.addEventListener) {
	window.addEventListener('load', doPopup, false);
} else if(window.attachEvent){
	window.attachEvent('onload', doPopup);
} else {
	window.onload = doPopup;
}


function doPopup() {
	var popWidth = 400;
	var popHeight = 372;
	
	x = (screen.width - popWidth) / 2;
	y = (screen.height - popHeight) / 2;
	
	if (!document.getElementsByTagName) return false;
		var links = document.getElementsByTagName("a");
		for (var i=0; i < links.length; i++) {
			var popupClass = "";
			popupClass = links[i].getAttribute('className');
			popupClass = (popupClass == null) ? links[i].getAttribute('class') : popupClass;
			popupClass = popupClass ? popupClass.match(/(^|\s)popup(\s|$)/) : false;
			
			if (popupClass) {
				links[i].onclick = function() {
					window.open(this.href,'subWindow',"top="+y+",left="+x+",width="+popWidth+",height="+popHeight+",scrollbars=0,resizable=0");
				return false;
			}
		}
	}
}