var currentBanner=0;
var intervalID;
function OperateBanner()
{
    try
    {
        BannerInterval=BannerInterval*1000;
        if(itemsCount>1)
        {
            intervalID=setInterval("ChangeBanner()",BannerInterval);
        }
    }
    catch(e)
    {
        clearInterval(intervalID);
    }

}
function ChangeBanner()
{
    try
    {
        currentBanner++;
        if(currentBanner==itemsCount)
        {
            currentBanner=0;
        }
        var obj;
        for(var i=0;i<itemsCount;i++)
        {
            obj=document.getElementById('divBanner'+i);
            if(obj)
            {
                if(i==currentBanner)
                {
                    obj.style.display="block";
                }
                else
                {
                    obj.style.display="none";
                }
            }
        }
    }
    catch(e)
    {
        clearInterval(intervalID);
    
    }
}
function bannerMovePrev()
{
    clearInterval(intervalID);
    try
    {
        if(currentBanner>0)
        {
            currentBanner--;
        }
        var obj;
        for(var i=0;i<itemsCount;i++)
        {
            obj=document.getElementById('divBanner'+i);
            if(obj)
            {
                if(i==currentBanner)
                {
                    obj.style.display="block";
                }
                else
                {
                    obj.style.display="none";
                }
            }
        }
    }
    catch(e)
    {
    }
}

function bannerMoveNext()
{
    clearInterval(intervalID);
    try
    {
        if(currentBanner<itemsCount-1)
        {
            currentBanner++;
        }
        var obj;
        for(var i=0;i<itemsCount;i++)
        {
            obj=document.getElementById('divBanner'+i);
            if(obj)
            {
                if(i==currentBanner)
                {
                    obj.style.display="block";
                }
                else
                {
                    obj.style.display="none";
                }
            }
        }
    }
    catch(e)
    {
        clearInterval(intervalID);
    }
}