(function($) {
	$.fn.customFadeIn = function(speed, callback) {
		$(this).fadeIn(speed, function() {
			if(!$.support.opacity)
				$(this).get(0).style.removeAttribute('filter');
			if(callback != undefined)
				callback();
		});
	};
	$.fn.customFadeOut = function(speed, callback) {
		$(this).fadeOut(speed, function() {
			if(!$.support.opacity)
				$(this).get(0).style.removeAttribute('filter');
			if(callback != undefined)
				callback();
		});
	};
	$.fn.customFadeTo = function(speed,to,callback) {
		return this.animate({opacity: to}, speed, function() {
			if (to == 1 && jQuery.browser.msie)
				this.style.removeAttribute('filter');
			if (jQuery.isFunction(callback))
				callback();
		});
	};
})(jQuery);

$(function() {
    $('.rollover').hover(function() {
        var currentImg = $(this).attr('src');
        $(this).attr('src', $(this).attr('hover'));
        $(this).attr('hover', currentImg);
    }, function() {
        var currentImg = $(this).attr('src');
        $(this).attr('src', $(this).attr('hover'));
        $(this).attr('hover', currentImg);
    });
});

$.fn.preload = function() {
    this.each(function(){
        $('<img/>')[0].src = this;
    });
}