/*(function() {
	$.fn.rollover = function (options) {
        var opts = $.extend({
                currentPostfix: '-c',
                rolloverPostfix: '_on'
            }, options),
            regex = new RegExp('(' + opts.currentPostfix + '|' + opts.rolloverPostfix + ')?(¥.gif|¥.jpe?g|¥.png)$', 'i'),
            replacement = opts.rolloverPostfix + '$2';
        return this.each(function () {
            var $this = $(this),
                $link = $this.closest('a'),
                $elem = $link.is('a')? $link: $this,
                originalSrc = $this.attr('src'),
                rolloverSrc = originalSrc.replace(regex, replacement),
                rolloverImg = new Image;
            rolloverImg.src = rolloverSrc;
            $elem.hover(function () {
                //console.log(rolloverSrc);
                $this.attr('src', rolloverSrc);
            }, function () {
                $this.attr('src', originalSrc);
            });
        });
    };
})(jQuery)*/

var preLoadImg = new Object();
 
function initRollOvers(){
    $("img.rollover").each(function(){
        var imgSrc = this.src;
        var sep = imgSrc.lastIndexOf('.');
        var onSrc = imgSrc.substr(0, sep) + '_on' + imgSrc.substr(sep, 4);
        preLoadImg[imgSrc] = new Image();
        preLoadImg[imgSrc].src = onSrc;
        $(this).hover(
            function() { this.src = onSrc; },
            function() { this.src = imgSrc; }
        );
    });
}
$(function(){
    initRollOvers();
});