movable div

<div id="imgbox"></div>
<script type="text/javascript">
    function Large(obj) {
        var imgbox = document.getElementById("imgbox");
        imgbox.style.visibility = 'visible';
        var img = document.createElement("img");
        img.src = obj.src;
        img.style.width = obj.width * 2;
        img.style.height = obj.height * 2;
        imgbox.innerHTML = '';
        imgbox.appendChild(img);
    }

    function Out(obj) {
        document.getElementById("imgbox").style.visibility = 'hidden';
    }

    function Move(obj, e) {
        var mouseY = e.clientY;
        alert(e.x)
        var mouseX = e.clientX;
        var scrollTop = document.documentElement.scrollTop;
        var scrollLeft = document.documentElement.scrollLeft;
        var y = scrollTop + mouseY + 20;
        var x = scrollLeft + mouseX + 20;
        document.getElementById("imgbox").style.left = x + "px";
        document.getElementById("imgbox").style.top = y + "px";
    }
</script>