function captureClick(sPromoID,sSiteID){
    var url = "/_common/PromoCapture.asp?PromoID=" + sPromoID + "&SiteID=" + sSiteID + "&Action=click";
    $.get(url);
}
function captureImpression(sPromoID, sSiteID) {
    var url = "/_common/PromoCapture.asp?PromoID=" + sPromoID + "&SiteID=" + sSiteID + "&Action=impression";
    $.get(url);
}