function SetCwinHeight(){
     var bobo=document.getElementById("bobo"); //iframe id
     if (document.getElementById){
     if (bobo && !window.opera){
     if (bobo.contentDocument && bobo.contentDocument.body.offsetHeight){
         bobo.height = bobo.contentDocument.body.offsetHeight;
     }else if(bobo.Document && bobo.Document.body.scrollHeight){
         bobo.height = bobo.Document.body.scrollHeight;
     }
     }
     }
    }