$(document).ready(function(){
    $("div#user_jskuenstler_pi1_img img:eq(1)").css("display", "none");
    $("div#user_jskuenstler_pi1_thumb img:eq(0)").css("display", "none");
    
    $("div#user_jskuenstler_pi1_thumb img:eq(1), div#user_jskuenstler_pi1_img img:eq(0)").click(function() {
        $("div#user_jskuenstler_pi1_img img:eq(0)").css("display", "none");
        $("div#user_jskuenstler_pi1_thumb img:eq(1)").css("display", "none");
        
        $("div#user_jskuenstler_pi1_img img:eq(1)").css("display", "inline");
        $("div#user_jskuenstler_pi1_thumb img:eq(0)").css("display", "inline");
    });
    
    $("div#user_jskuenstler_pi1_thumb img:eq(0), div#user_jskuenstler_pi1_img img:eq(1)").click(function() {
        $("div#user_jskuenstler_pi1_img img:eq(0)").css("display", "inline");
        $("div#user_jskuenstler_pi1_thumb img:eq(1)").css("display", "inline");
        
        $("div#user_jskuenstler_pi1_img img:eq(1)").css("display", "none");
        $("div#user_jskuenstler_pi1_thumb img:eq(0)").css("display", "none");
    });
});