This script checks for images load errors and try to load the image from a fallback provided server name.

imgProxy.js

/**
 * This script checks for image load errors.
 * It will try to load the image from a fallback provided server name.
 *
 * Usage:
 *
 * - Include it:
 *   <script src="/js/imgProxy.js"></script>
 *
 * - Call it from your script (or un-comment the call below):
 *   $(window).load(function() {
 *     $('img').imgProxy('http://path.to.your.proxy.server');
 *   });
 *
 */

(function($) {

  // Modify the path to the proxy server.
  $(window).load(function() {
    $('img').imgProxy('http://path.to.your.proxy.server');
  });

  $.fn.extend({
    imgProxy: function(proxy) {

      // Security - pre-process the string to escape regex special (meta) characters.
      function escapeRegex(str) {
        return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
      }

      // Helper - String replacement.
      function stringReplace(find, replace, str) {
        return str.replace(new RegExp(escapeRegex(find), 'g'), replace);
      }

      // Helper - Return base domain name only. e.g. yahoo.co.in
      function getBaseUrl(url) {
        try {
          var start = url.indexOf('\/\/');
          start = start < 0 ? 0 : start + 2;
          var end = url.indexOf('\/', start);
          if (end < 0) {
            end = url.length;
          }
          return url.substring(start, end);
        }
        catch (arg) {
          return url;
        }
      }

      // Replace broken images.
      $(this).each(function() {
        var that = this;
        if (!that.complete || typeof that.naturalWidth == "undefined" || that.naturalWidth == 0) {
          that.src = stringReplace(getBaseUrl(that.src), getBaseUrl(proxy), that.src);
        }
      });

    }

  });

})(jQuery);