function description_window(url) {
        if(navigator.userAgent.indexOf("MSIE") == -1) {
      newwindow = window.open(url,'description','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=450,height=410');
      newwindow.focus();
    } else {
      window.open(url,'description','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=0,width=450,height=410');
    }
}