var slider = {
    bilderslide: {
       
        // Scrolling nach links
        slideleft : function() {

            cross_slide = document.getElementById("smallpic");
            if(parseInt(cross_slide.style.left) < 0) {
                cross_slide.style.left = parseInt(cross_slide.style.left)+3+"px";
            }
            else
                clearInterval(timeout);
        },
        // Scrolling nach rechts
        slideright : function() {
                
                var actualwidth = document.getElementById("smallpic").clientWidth;
                var sliderwidth = document.getElementById("categoryslide").clientWidth;

                cross_slide = document.getElementById("smallpic");
                if(parseInt(cross_slide.style.left) > (sliderwidth-actualwidth)) {
                    cross_slide.style.left = parseInt(cross_slide.style.left)-3+"px";
                }
                else
                   clearInterval(timeout);           
        }
    }
};