function iframeauto(nombre)	
      {
		  
		var agt=navigator.userAgent.toLowerCase();
		if (agt.indexOf("firefox") != -1)
        {
		  iframe = document.getElementById(nombre)
          var innerDoc = (iframe.contentDocument) ? iframe.contentDocument : iframe.contentWindow.document;
          if (innerDoc.body.offsetHeight) //ns6 syntax
          {
             iframe.height = innerDoc.body.offsetHeight + 0; //Extra height FireFox
          }
          else if (iframe.Document && iframe.Document.body.scrollHeight) //ie5+ syntax
          {
             iframe.height = iframe.Document.body.scrollHeight;
          }
        }
        else
        {
			var the_height = document.getElementById(nombre).contentWindow.document.body.scrollHeight; 
			document.getElementById(nombre).height = the_height; 
        }
      }
function iframeauto2(nombre) { 
	var the_height = document.getElementById(nombre).contentWindow.document.body.scrollHeight; 
	document.getElementById(nombre).height = the_height; 
}