// JScript 檔
var getFFVersion=navigator.userAgent.substring(navigator.userAgent.indexOf("Firefox")).split("/")[1]

//extra height in px to add to iframe in FireFox 1.0+ browsers

var FFextraHeight=getFFVersion>=0.1? 16 : 0 

function dyniframesize(iframename) {

  var pTar = null;

  if (document.getElementById){

    pTar = document.getElementById(iframename);

  }

  else{

    eval('pTar = ' + iframename + ';');

  }

  if (pTar && !window.opera){

    //begin resizing iframe

    pTar.style.display="block"

    

    if (pTar.contentDocument && pTar.contentDocument.body.offsetHeight){

      //ns6 syntax

      pTar.height = pTar.contentDocument.body.offsetHeight+FFextraHeight; 

    }

    else if (pTar.Document && pTar.Document.body.scrollHeight){

      //ie5+ syntax

      pTar.height = pTar.Document.body.scrollHeight+10;

    }

  }

}