var REFRESH_BANNER_SECS = 5 ;

function loadBannerRotate()
{
    var xmlHttpBanner = getXmlHttpIstance();
    if( xmlHttpBanner )
    {
        xmlHttpBanner.onreadystatechange=function()
        {
            if(xmlHttpBanner.readyState==4)
            {
                newDivBanner = xmlHttpBanner.responseText;
                document.getElementById("banner-cont").innerHTML=newDivBanner;
                fadeInElement('banner-cont',FADING_SECS,function(){changeBanner()});
            }
        }
        xmlHttpBanner.open("GET","/xmlmaker",true);
        xmlHttpBanner.send(null);
    }
}
function hideBanner()
{
    fadeOutElement('banner-cont',FADING_SECS,function(){loadBannerRotate()});
}
function changeBanner()
{
    newDivBanner=''
    setTimeout(hideBanner,1000*REFRESH_BANNER_SECS);
}