iframe適応高JSコード、FF対応、IE

<iframe src="showmagzine.htm" id="magzineframe" name="magzineframe" align="center" frameborder=no width="100%" height=100% scrolling="no"  frameborder="1" bgcolor="#FFFFFF" onload="javascript:{dyniframesize('magzineframe');}">
	</iframe>

<script>
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.documentElement.scrollHeight){   
 
	      pTar.height =0;
		pTar.height=pTar.contentDocument.documentElement.scrollHeight;    
     

    }else if (pTar.Document && pTar.Document.body.scrollHeight){   
      //ie5+ syntax   
      pTar.height = pTar.Document.body.scrollHeight;   
       
      
    }   
  }     
} 


</script>