Javascript Cachebusting

<script src=”assets/js/swfobject.js”></script>
<script type=”text/javascript”>

$(window).load(function(){

var seednum = 10000000;
var unique = “?q=” + Math.round(Math.random() * 1337 * seednum);
var swfFilePath = “index.swf” + unique;

var so = new SWFObject(swfFilePath,”cfm”,”100%”,”100%”,”9″,”#fff”);
so.addParam(“wmode”,”opaque”);
so.addParam(“scale”,”noscale”);
so.addParam(‘allowScriptAccess’,'always’);
so.write(“cfm”);

});

</script>

<div id=”cfm”>Flash goes here</div>