function ImgChange(img,url)
{
    document.getElementById(img).src="../Products Files/Pictures/"+url;
}

function CloseDIV(name)
{
    document.getElementById('DIV_confirm').style.visibility = 'hidden';
    document.getElementById('DIV_confirm').style.display = 'none';
    document.getElementById(name).style.visibility='visible';
}

function changePromotion(command,index)
{
    var indexPrev=0;
    var indexNext=0;
    
    if ((index > 0) && (index < promo_img.length-1))
    {
        indexPrev = index - 1;
        indexNext = index + 1;
    }
    
    if (index == 0)
    {
        indexPrev = promo_img.length-1;
        indexNext = 1;
    }
    
    if (index == promo_img.length-1)
    {
        indexPrev = promo_img.length - 2;
        indexNext = 0;
    }
    
    document.getElementById("img_promotion").src = promo_img[index];
    document.getElementById("a_left").href='javascript:changePromotion("left",' + indexPrev + ')';
    document.getElementById("a_right").href='javascript:changePromotion("right",' + indexNext + ')';
}

function initPromotion()
{
    document.getElementById("img_promotion").src = promo_img[0];
    
    if (promo_img.length>0)
    {
        if (promo_img.length == 1)
        {
            document.getElementById("a_left").removeAttribute("href");;
            document.getElementById("a_right").removeAttribute("href");;
        }    
        else
        {
            var indexPrev = promo_img.length - 1;
            document.getElementById("a_left").href='javascript:changePromotion("left",' + indexPrev + ')';
            document.getElementById("a_right").href='javascript:changePromotion("right",' + 1 + ')';
        }
        
    }
}