ciao ragazzi AIUTOOOOOOOOO

devo fare in modo che cambi la quantità di anteprime (var nimages) indipendentemente dal xml caricato, avendo il file svf di supporto.

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>08_gallery</title>
<script type="text/javascript" src="js/swfobject.js"></script>
<script type="text/javascript" src="js/CSJSRequestObject_expanded.js"></script>
<script type="text/javascript" src="js/jquery-ui-1.8.10.custom.min.js"></script>
<link href="css/xml_gallery.css" rel="stylesheet" type="text/css" />
</head>

<body>

<div id="pippo">
<h1>XML Gallery + Request Variables URL</h1>
<div id="flash">
<div>c'è qualcosa che non va</div>
<script type="text/javascript">
//<![CDATA[
var xmlfile = Request.QueryString("xml");
var nimages = Request.QueryString("ni")
var f = new SWFObject("08_xmlgallery.swf","xmlgallery","100%", "100%","10","#000000");
f.addParam("scale","noscale");
f.addParam("wmode","transparent");
f.addVariable("xmlfile",xmlfile);
f.addVariable("numero",nimages);
f.write("flash");
//]]>

$(document).ready(function(e) {
$("#ni2").click(function(){
document.location.href = "index.html?XML=" + XML + "&ni=2"
});
$("#ni4").click(function(){
document.location.href = "index.html?XML=" + XML + "&ni=4"
});
$("#ni6").click(function(){
document.location.href = "index.html?XML=" + XML + "&ni=6"
});
$("#xmlSki").click(function(){
document.location.href = "index.html?XML=ski.xml&ni=" + ni
});
$("#xmlSnow").click(function(){
document.location.href = "index.html?XML=snow.xml&ni=" + ni
});

if(XML != ""){
alert("XML SELEZIONATO")
$("#pulsanti").show();
if(XML == "snow"){
$("#flash").css("background-image","url(images/support/surf_1052904_75953041.jpg)");
}
if(XML == "ski"){
$("#flash").css("background-image","url(images/support/FOOD.jpg)");
}
}else{
alert("DEVI SELEZIONARE UN XML")
$("#pulsanti").hide();
}
});

</script>
</div>
<div id="xmlbotton">
snow
ski
</div>
<div id="pulsanti">
due anteprime
quattro anteprime
sei anteprime
</div>
</div>

</body>
</html>