function popUp(URL){myleft=(screen.width)?(screen.width-400)/2:100;mytop=((screen.height)?(screen.height-280)/2:100)-50;day=new Date();id=day.getTime();eval("page"+id+" = window.open(URL, '"+id+"', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=400,height=280,left = "+myleft+",top = "+mytop+"');");}