hola... mira prueba con esta otra..
nose que te sucede pero a mi si me funciona
la anterior...ojala te sirva
<html>
<head> <style type="text/css">
BODY {font-family: arial,helvetica,sans-serif;font-size: xx-small;}
TABLE {font-family: arial,helvetica,sans-serif;font-size: xx-small;}
</style>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<script language="JavaScript">
<!--
var W3C = document.getElementById? true : false; // IE5+, Netscape 6+, Opera 5+, Konqueror 2.1+, Mozilla and various Mozilla/Gecko-based browsers.
var NN4 = document.layers? true : false; //Netscape Navigator 4.x.
var IE4 = document.all? true : false; // IE version 4 (and above).
function display(layerName) {
if (W3C) {
document.getElementById(layerName).style.visibilit y = "visible";
}
else if (IE4) {
document.all[layerName].style.visibility = "visible";
}
else if(NN4) {
document.layers[layerName].visibility = "show";
}
}
function hide(layerName) {
if (W3C) {
document.getElementById(layerName).style.visibilit y = "hidden";
}
if (IE4) {
document.all[layerName].style.visibility = "hidden";
}
else if(NN4) {
document.layers[layerName].visibility = "hidden";
}
}
//-->
</script>
</head>
<body bgcolor="#FFFFFF" text="#333366" link="#333366" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0" onload="hide('espera')">
<div id="espera" style="position:absolute; width:240px; height:91px; z-index:2; left: 300px; top: 200px; visibility: visible" > <img src="/espanol/un/planifique/compra/images/procesando.gif" width="215" height="42"> </div>
</body>
</html>
yaaa ojala esta si te funcione chausito
