function Full() {
  var UA=navigator.userAgent;
   var safari=UA.indexOf("Safari");
   var opera=UA.indexOf("Opera");
   var IE=UA.indexOf("MSIE");
   var mac=UA.indexOf("Mac");
  if ((IE ==-1 && safari==-1) || (opera != -1 && mac ==-1)) {
    window.open("zumen.html","zumen","outerWidth="+
      screen.availWidth+",outerHeight="+screen.availHeight+" ");
  }
  else {
    window.open("zumen.html","zumen","width="+
      screen.availWidth+",height="+screen.availHeight+" ");
  }
}