// JavaScript Document
function windowOpener(url, name, args) {
   if (typeof(popupWin) != "object"){
      popupWin = window.open(url,name,args);
      } else {
             if (!popupWin.closed){ 
                  popupWin.location.href = url;
                } else {
                       popupWin = window.open(url, name,args);
                       }
             }
   popupWin.focus();
}