function pageLoad() {
        var prm = Sys.WebForms.PageRequestManager.getInstance();
        if (!prm.get_isInAsyncPostBack()) {
           prm.add_beginRequest(onBeginRequest);
        }
}

function pageUnload() {
         Sys.WebForms.PageRequestManager.getInstance()
            .remove_beginRequest(onBeginRequest);
}

function onBeginRequest(sender, args) {
         Sys.Debug.trace(args.get_postBackElement().value +
            " triggered a postback.");
          Reload();
}
function Reload()
{
    var sid1 = getTheNumber("leaderboard");
    var sid2 = getTheNumber("skyscraper");
    window.document.getElementById("ctl00_leaderboard").innerHTML = "";
    window.document.getElementById("ctl00_leaderboard").innerHTML = "<iframe id=\"leaderboard\" src=\"http://ad3.adfarm1.adition.com/banner?sid="+sid1+"&wpt=H\" ALLOWTRANSPARENCY=\"true\" width=\"994\" height=\"118\" scrolling=\"no\" frameborder=\"0\" name=\"leaderboard\"></iframe>";
    window.document.getElementById("ctl00_skyscraper").innerHTML = "";
    window.document.getElementById("ctl00_skyscraper").innerHTML = "<iframe id=\"skyscraper\" src=\"http://ad3.adfarm1.adition.com/banner?sid="+sid2+"&wpt=H\" ALLOWTRANSPARENCY=\"true\" width=\"160\" height=\"600\" scrolling=\"no\" frameborder=\"0\"  name=\"skyscraper\"></iframe>";
}


function getTheNumber(layerName)
{
    var UrlString = window.document.getElementById(layerName).src  
    var start = UrlString.indexOf("id=") + 3;
    var end = start + 5;
    return UrlString.substring(start, end);
}