$(function()
{
    $("ul.gallery li").click(function()
        {
        
        fadeThumbs(this);
        
        var imageSource = $(this).children("a").children("img").attr("alt");
        showImage(imageSource);
        return false;
        });
});

function showImage(src)
{
$("#main_image img").remove();
var largeImage = new Image();
$(largeImage).attr("src", src)
             .load(function()
             	{
                $(largeImage).hide();
                $("#main_image").append(largeImage);
                $(largeImage).fadeIn("slow");                      
                });                                                                       
}


function fadeThumbs(activeImg)
	{
		$("ul.gallery li").removeClass('active');
    	$(activeImg).addClass('active');
    }