// JavaScript Document
// wrap as a jQuery plugin and pass jQuery in to our anoymous function
(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, '');
            var target = $$.attr('longdesc');

            // 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>')
            // change the selector to the newly created image
            .find(':first-child')
            // set the image to the target
            .attr('src', target);
                    
                    
            var version = parseInt($.browser.version);

               

            // the CSS styling of the start image needs to be handled
            // differently for different browsers
            if ( $.browser.mozilla) {
                $$.css({
                    'position' : 'absolute',
                    'left' : 0,
                    'top' : this.offsetTop
                });

                    
            } else if ( ($.browser.opera && $.browser.version < 9.5) || ($.browser.msie && version < 8)) {
                // 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,
                    'top' : -88
                });
            }

            // 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
                }, 350);
            }, function () {
                $$.stop().animate({
                    opacity: 1
                }, 350);
            });
        });
    };
        
})(jQuery);
	
	
jQuery(window).bind('load', function () {
    jQuery('img.sepia').cross();
});