function iFrameHeight(strFrameName) {
        if ( parent.document.getElementById(strFrameName).contentDocument ) // firefox 
        { 
       	  if (parent.document.getElementById(strFrameName).contentDocument.height) {
			parent.document.getElementById(strFrameName).style.height = parent.document.getElementById(strFrameName).contentDocument.height + "px";
		}
        } 
        else // IE 
        { 
                parent.document.getElementById(strFrameName).style.height = parent.document.getElementById(strFrameName).contentWindow.document.body.scrollHeight + 10; 
        } 
}