function winPopUp(URL) {
 day = new Date();
 id = day.getTime();
 str='addressbar=0,toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,screenX=0,screenY=0,top=0,left=0,maximize=1,'
 str=str+'height='+screen.height+', width='+screen.width 
 eval('page' + id+'=window.open(URL, id,str )')
}