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JavaScript

// jQuery.imageload.shared.list contains an array of oversized images url
imglist = Array();
imglist.push('http://www.whodah.com/Misc/earth-map-huge.jpg');
imglist.push('http://www.geobabble.org/~hnw/neon/withindomainrep/neon2.clustdist2.huge.png');
imglist.push('http://chamorrobible.org/images/photos/gpw-20051129-UnitedStatesAirForce-080510-F-0986R-005-bombers-fly-in-formation-B-52-Stratofortress-B-2-Spirit-Shreveport-Louisiana-20080510-huge.jpg');
imglist.push('http://photojournal.jpl.nasa.gov/jpeg/PIA08813.jpg');
imglist.push('http://www.geobabble.org/~hnw/neon/tests3/neon2.10.huge.png');
jQuery.each(imglist, function(i, imgsrc) {

    name = 'imageload-frame';
    id = name + "-" + i;
    // with img it is not possible to suspend, the get is performed even after remove
    //var loader = jQuery('<img />').attr('name', name).attr('id',id);
    var loader = jQuery('<iframe />').attr('name', name).attr('id', id);

    //no cache on GET query taken from jQuery core
    // as we really want to download each image for these tests
    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 : "");

    loader.css('width', 50).css('height', 50).appendTo('body');
    loader.after(jQuery('<a>').text(' stop ').attr('href', '#').click(function() {
        loader.remove();
        jQuery(this).text(' suspended ');
    }));

    // start the load - preload
    loader.attr('src', imgsrc);

    // when preload is done we provide a way to get img in document
    loader.load(function() {
        jQuery(this).next("a:first").remove();
        var finalimg = jQuery('<img />');
        // browser cache should help us now
        // but there's maybe a way to get it direclty from the iframe
        finalimg.attr('src', loader[0].src);
        finalimg.css('width', 50);
...