var slideIntervalId = 0;

function docLoaded(divId) {
    window.onresize = function(event) {
        var divElem = document.getElementById('ad');

        divElem.style.left = (document.documentElement.clientWidth
						- parseInt(divElem.style.width)) + "px";
        divElem.style.top = (document.documentElement.clientHeight
						- parseInt(divElem.style.height)) + "px";
    }
    document.getElementById(divId).style.left = document.documentElement.clientWidth + "px";
    slideIntervalId = setInterval("slide( 'ad', -3 )", 5);
    
}

function slide(divId, offsetX) {
    var divElem = document.getElementById(divId);
    
    if (divElem) {
        var clientWidth = document.documentElement.clientWidth;
        var divWidth = parseInt(divElem.style.width);
        var divLeft = parseInt(divElem.style.left);

        divElem.style.top = (document.documentElement.clientHeight
						- parseInt(divElem.style.height)) + "px";
						
        if(divLeft > clientWidth - divWidth)
        {
            divElem.style.left = (divLeft + offsetX) + "px";
        }
        else {
            clearInterval(slideIntervalId);
        }
    }
}