function popupLinks(){
if(!document.getElementById)return false;
var aLinks=document.getElementsByTagName('a');
for (var i=0;i<aLinks.length;i++) {
		if (aLinks[i].className == 'popup')
			{
				aLinks[i].onclick = function ()
				{
					window.open(this.getAttribute('href'),'popup', 'toolbar=no,scrollbars=no,resizable=yes,menubar=yes,status=no,directories=no,location=no,,');
					return false;
				}
				aLinks[i].onkeypress = aLinks[i].onclick;
			}
		}
}

window.onload=popupLinks;