ok.....
Código HTML:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Strict//EN">
<html xmlns="http://www.w3.org/1999/xhtml"><head>
<title>LightBox sample</title>
<!--link href="lightboxdemo_files/mathertel.css" rel="stylesheet" type="text/css"-->
<script type="text/javascript" src="lightboxdemo_files/jcl.js"></script>
<script type="text/javascript" src="lightboxdemo_files/LightBox.js"></script></head><body>
<script>
function enviar(){
if(confirm("¿Esta seguro?")){
LightBoxBehavior.open('load');
return true;
}else{
LightBoxBehavior.hide('load')
return false;
}
}
</script>
<input type="submit" name="enviar" onclick="return enviar();">
<!-- Here comes the HTML code that builds the Control. -->
<div id="LightBox1" style="display: none; position: absolute; top: 0px; left: 0px; z-index: 98; width: 1137px; height: 940px; background-color: rgb(238, 238, 238); opacity: 0.8;">
</div>
<!-- Here comes the script code to bind the behavior. -->
<script defer="defer" type="text/javascript">
jcl.LoadBehaviour("LightBox1", LightBoxBehavior);
</script>
<!--CUADRO DEL ENVIAR -->
<div id="HelloWorld" style="border: 0px solid rgb(32, 48, 80); padding: 2px; display: none; width: 180px; background-color: white; top: 294.5px; left: 474.5px;">
<img src="lightboxdemo/progressbar.gif">
</div>
</body></html>
paginas JS
jcl.js lightbox.js
y bueno pones un form para que te direccione algun lado y veras que la animacion en IE se uqeda pegado
saludos