// slider's coordinate from left
var slider_position_left = '0px';
// slider's width
var slider_width = '100%';
// slider's height
var slider_height = '230px';
// start position for slider from top in pixels
var startpos_top = 0;
// speed in milliseconds. smaller number means faster movement
var speed = 50;
//text on the closing button
var close = 'close';
//delay time in miliseconds
var delay_time = 3000;

var content = '<p style="background-color:#fff;color:#000;cursor:pointer;margin:0;padding:0px;text-align:right;" onclick="slider.className = \'hide\'">'+close+' [x] </p><a href="http://www.dkoldies.com/Buy-Old-Nintendo-NES-Games-s/69.htm&Click=5133"><img src="../images/adds/nes-game.jpg" height="220" alt="" border="0"/></a>';

slider = document.createElement('div');
slider.setAttribute('id','slider');
slider.innerHTML=content;

/* style */
slider.style.width = slider_width;
slider.style.height = slider_height;
slider.style.position = 'absolute';
slider.style.top = '-'+slider_height;
slider.style.left = slider_position_left;

document.body.appendChild(slider);

/* function written by Jeremy Keith, Dom Scripting */
function moveElement(elementID,final_y,interval) {
    if (!document.getElementById) return false;
    if (!document.getElementById(elementID)) return false;
    var elem = document.getElementById(elementID);
    if (elem.movement) {
        clearTimeout(elem.movement);
    }
    var ypos = parseInt(elem.style.top);
    if (ypos == final_y) {
      return true;
    }
    if (ypos < final_y) {
        var dist = Math.ceil((final_y - ypos)/5);
        ypos = ypos + dist;
    }
    if (ypos > final_y) {
        var dist = Math.ceil((ypos - final_y)/5);
        ypos = ypos - dist;
    }
    elem.style.top = ypos + "px";
    var repeat = "moveElement('"+elementID+"',"+final_y+","+interval+")";
    elem.movement = setTimeout(repeat,interval);
}

function scroll() {
    scroll_top = document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop;
    moveElement('slider',startpos_top+scroll_top,speed);
    //slider.className = 'transp';
}


setTimeout("moveElement('slider',startpos_top,speed)",3000);

window.onscroll = scroll;