<!--
isIE  = document.all;
isNN  = !document.all && document.getElementById;
isN4  = document.layers;

var max_zindex = 30;
function drag(mode,e,obj){
        if ( mode == 'start' ){
                obj.offsetx = isIE ? event.clientX : e.clientX;
                obj.offsety = isIE ? event.clientY : e.clientY;
                obj.nowX    = parseInt(obj.style.left);
                obj.nowY    = parseInt(obj.style.top);
                obj.dragable = '1';
                var new_zindex = max_zindex + 1;
                obj.style.zIndex = new_zindex;
                max_zindex = new_zindex;
        } else if ( mode == 'move' ){
                if (obj.dragable == '1'){
                        var x = isIE ? (obj.nowX + event.clientX - obj.offsetx) : (obj.nowX + e.clientX - obj.offsetx);
                        var y = isIE ? (obj.nowY + event.clientY - obj.offsety) : (obj.nowY + e.clientY - obj.offsety);
                        var max_winw = document.body.clientWidth - parseInt(obj.style.width);
                        var max_winh = document.body.clientHeight - parseInt(obj.style.height);
                        if ( x >= 0 && x <=max_winw) obj.style.left = x;
                        if ( y >= 0 && y <=max_winh) obj.style.top  = y;
                }
        } else if ( mode == 'stop' ){
                obj.dragable='0'
        }
}
-->