function popUp(URL) {
    day = new Date();
    id = day.getTime();
    if (navigator.appName.indexOf('Microsoft') != -1) {
      eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=850,height=210');");
    } else {
      eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=850,height=170');");
    }
  }