function test2(){
       var frameWin = document.getElementById("frameWin");
       var frameBox = document.getElementById("frameBox");
       var newHeight;
       if (frameWin.Document){
              newHeight = frameWin.Document.body.scrollHeight + 20 + "px";
       }else{
              newHeight = frameWin.contentDocument.body.scrollHeight+ 20 + "px";
       }
       frameWin.style.height = newHeight;
       frameBox.style.height = newHeight;
}