Not caching image loaded in iframe.

JavaScript

$(function() {
    var use_unique_name = true;

    var imgsrc = 'http://www.jaavuu.com/content/1/slides/jaavuu-one-event-one-gallery.jpg';
    if (use_unique_name) {
        var ts = +(new Date());
        // try replacing _= if it is there
        var ret = imgsrc.replace(/(\?|&)_=.*?(&|$)/, "$1_=" + ts + "$2");
        // if nothing was replaced, add timestamp to the end
        imgsrc = imgsrc + ((ret == imgsrc) ? (imgsrc.match(/\?/) ? "&" : "?") + "_=" + ts : "");
    }

    var loader = $('<iframe />').appendTo('body')[0];

    loader.onload = function() {
        $('body').append('<img src="' + imgsrc + '" />');
    };

    loader.src = imgsrc;
});