var exts =new Array("pdf","doc","xls","csv","xml","ppt")
$(document).ready(
	function() {			
		$("a").filter(
			function(index) {
				var attr = $(this).attr("href");
				for (var i = 0; i < exts.length; i++) {
					if (attr.length > exts[i].length + 1) {
						if (attr.substring(attr.length - exts[i].length - 1, attr.length).toLowerCase() == "." + exts[i].toLowerCase())
						return true;
					}
				}
				return false;
			}).click(
				function() {
					var attr = $(this).attr("href");
					urchinTracker (attr);
				}
			);
	}
);