function init(){
        if(document.getElementById){
        obj = document.getElementById("Slider");
        obj.style.left = "0px";
        document.getElementById("SliderCMD_left").style.display  = 'none';
        }
}

function slideRight(){
        if(obj){
                if(parseInt(obj.style.left) < 0){
                        obj.style.left = parseInt(obj.style.left) + 160 + "px";
                        setTimeout("slideRight()",50);
                }
        }
        document.getElementById("SliderCMD_left").style.display  = 'none';
        document.getElementById("SliderCMD_right").style.display = 'block';

}

function slideLeft(){
        if(obj){
                if(parseInt(obj.style.left) > -640){
                        obj.style.left = parseInt(obj.style.left) - 160 + "px";
                        setTimeout("slideLeft()",50);
                }
        }
        document.getElementById("SliderCMD_right").style.display = 'none';
        document.getElementById("SliderCMD_left").style.display  = 'block';
}

window.onload = function(){
        init(); 
}