function popUp(winURL) {
  window.open(winURL,"popup","toolbar=yes,location=yes,directories=no,status=yes,menubar=yes,scrollbars=yes,resizable=yes,width=800,height=635");
}

function popMeUp() {
  if (!document.getElementsByTagName) return false;
  var lnks = document.getElementsByTagName("a");
  for (var i=0; i<lnks.length; i++) {
    if (lnks[i].className == "popup") {
	//because of webtrends, it opens a popup and makes the mainpage go there too
	//so not doing that for non IE browsers, just navigation away normally
	if (navigator.userAgent.indexOf("MSIE")!=-1){
	      lnks[i].onclick = function() {
	        popUp(this.getAttribute("href"));
       	 return false;
	      }
	}
	lnks[i].target="_blank";
    }
  }
}

addLoadEvent(popMeUp);