function PreviousBanner()
    {
        
        HideAllBanners();
        getCurrentBannerIndex =parseInt(document.getElementById('currentImgIndex').value);
        
        previousImageIndex = parseInt(getCurrentBannerIndex -1);
        
        document.getElementById('banner'+getCurrentBannerIndex).style.display = 'none';
        document.getElementById('banner'+previousImageIndex).style.display = '';
        
        document.getElementById('currentImgIndex').value = previousImageIndex;
        ManageControls();
    }
    function NextBanner()
    {
        
        HideAllBanners();
        getCurrentBannerIndex =parseInt(document.getElementById('currentImgIndex').value);
        
        nextImageIndex = parseInt(getCurrentBannerIndex +1);
        
        document.getElementById('banner'+getCurrentBannerIndex).style.display = 'none';
        //alert('banner'+getCurrentBannerIndex);
        document.getElementById('banner'+nextImageIndex).style.display = '';
        
        document.getElementById('currentImgIndex').value = nextImageIndex;
        ManageControls();
    }
    function ManageControls()
    {
        curValue 	= parseInt(document.getElementById('currentImgIndex').value);
        totalSlides = parseInt(document.getElementById('totalSlides').value);
        
        //alert(curValue);
        
        if(curValue == 0)
        {
            $('#prev').hide();
            document.getElementById('banner'+curValue).style.display = '';
        }
        else				
        $('#prev').show();
        
        if(curValue==totalSlides-1)
         $('#nxt').hide(); 
        else
        $('#nxt').show();
    }
    
    function HideAllBanners()
    {
        for(i=0;i<document.getElementById('totalSlides').value;i++)
        {
            document.getElementById('banner'+i).style.display = 'none';
        }
    }