(function($) {
    $.fn.cross = function(options) {
        return this.each(function(i) {
            // cache the copy of jQuery(this) - the start image
            var $$ = $(this);

            // get the target from the backgroundImage + regexp
            var target = $$.css('backgroundImage').replace(/^url|[\(\)'"]/g, '');

            // nice long chain: wrap img element in span
            $$.wrap('<' + 'span style="position: relative;"><' + '/span>')
            // change selector to parent - i.e. newly created span
                    .parent()
            // prepend a new image inside the span
                    .prepend('<img class="b0">')
            // change the selector to the newly created image
                    .find(':first-child')
            // set the image to the target
                    .attr('src', target);

            // the CSS styling of the start image needs to be handled
            // differently for different browsers
            if ($.browser.msie) {
                $$.css({
                    'position': 'absolute',
                    'left': 0,
                    'z-index': 9999,
                    'background': '',
                    'top': '0'
                });
            } else if ($.browser.mozilla) {
                $$.css({
                    'position': 'absolute',
                    'left': 0,
                    'z-index': 9999,
                    'background': '',
                    'top': this.offsetTop
                });
                //alert(this.offsetTop);
            } else if ($.browser.opera && $.browser.version < 9.5) {
                // Browser sniffing is bad - however opera < 9.5 has a render bug 
                // so this is required to get around it we can't apply the 'top' : 0 
                // separately because Mozilla strips the style set originally somehow...                    
                $$.css({
                    'position': 'absolute',
                    'left': 0,
                    'background': '',
                    'top': "0"
                });
            } else { // Safari
                $$.css({
                    'position': 'absolute',
                    'left': 0,
                    'border': 'none',
                    'background': ''
                });
            }

            // similar effect as single image technique, except using .animate 
            // which will handle the fading up from the right opacity for us
            $$.hover(function() {
                $$.stop().animate({
                    opacity: 0
                }, 250);
            }, function() {
                $$.stop().animate({
                    opacity: 1
                }, 250);
            });
        });
    };

})(jQuery);
jQuery(function($) {
    $('img.Fader').cross();
});