$(document).ready(function() {
    if ($.browser.msie && $.browser.version.substring(0,1) <= 6) {
        var ie6cat = $("\<a href=\"/ie6warn/kill-kittens.jpg\"\>kill-kittens.jpg\<\/a\>").attr("rel", "prettyPhoto[mixed]");
        var od = $("<a/>").attr("href", "/ie6warn/ie6browserupgrade.html?iframe=true&height=340&width=690").attr("rel", "prettyPhoto[mixed]").text("Dialog");
		ie6cat.appendTo($("#ie6-warn-popup"));
        od.appendTo($("#ie6-warn-popup"));
		$("a[rel^='prettyPhoto']").prettyPhoto({showTitle: true, theme: "facebook"});
		ie6cat.click();
		ie6cat.remove();
        od.remove();
	}
 });