function displayAdvertImage(container, html)
{
    var childImg=container.getElementsByTagName('a');
    if(childImg!=null&&childImg.length>0)
    {
        
        removeAdvertItem(childImg[0]);
    }
    else
    {
        childImg=container.getElementsByTagName('img');
        if(childImg!=null&&childImg.length>0)
        {
            removeAdvertItem(childImg[0]);
        }
    }  
    container.innerHTML=html;
    container.style.display='none';
    $(container).fadeIn(1500);
}
function removeAdvertItem(item)
{
     item.parentNode.removeChild(item);
}
function preloadImg(imgPath)
{
    var nextImg=new Image();
    nextImg.src=imgPath;
}