function open_window(url)

{
  myWin1= window.open(url,"myWin2","width=425,height=350,status=no,toolbar=no,resizable=no,scrollbars=no,menubar=no");

  if (navigator.appName != "Microsoft Internet Explorer") {

  if (window.focus) myWin1.focus(); 

  myWin1.parent = document.window;



}

}