$(function(){
$('#slideshow2 li').bind('click',function(){
    var CurImg = $('a', $(this)).attr('rel');
    $('div.large_image img').attr({src:CurImg});
    return false;
});
$('.tgc_slideshow li').bind('click',function(){
    var CurImg = $('a', $(this)).attr('rel');
    $(this).parents('div.tgc_slideshow').siblings('div.large_image').children('img').attr({src:CurImg});
    return false;
});
});