//** iframe?????? **//

 //??????????????????iframe??????
 //??????iframe?ID??. ??: ["myframe1", "myframe2"]????????????????

 //??iframe?ID
 var iframeids=["contextR"];

 //???????????iframe???iframe?? yes ?????no?????
 var iframehide="yes";

 function dyniframesize() 
 {
  var dyniframe=new Array();
  for (i=0; i<iframeids.length; i++ )
  {
   if (document.getElementById)
   {
    //????iframe??
    dyniframe[dyniframe.length] = document.getElementById(iframeids[i]);
    if (dyniframe[i] && !window.opera)
    {
     dyniframe[i].style.display="block";
     if ((dyniframe[i].contentDocument) && (dyniframe[i].contentDocument.body.offsetHeight)) //?????????NetScape
      dyniframe[i].height = dyniframe[i].contentDocument.body.offsetHeight; 
     else if (dyniframe[i].Document && dyniframe[i].Document.body.scrollHeight) //?????????IE
      dyniframe[i].height = dyniframe[i].Document.body.scrollHeight;
    }
   }
   //?????????????iframe?????????
   if ((document.all || document.getElementById) && iframehide=="no")
   {
    var tempobj=document.all? document.all[iframeids[i]] : document.getElementById(iframeids[i]);
    tempobj.style.display="block";
   }
  }
 }