function toggleOptions(id,link)
{
    var options = $$(id);
        
    if(options.style.display == 'none'){
        $('#'+id).slideDown(250, null);
        link.className = "product_collapse";
        link.innerHTML = 'hide options';
        options.focus();
    }
    else{
        $('#'+id).slideUp(250, null);
        link.className = "product_expand";
        link.innerHTML = 'show options';
        options.focus();
    }
}

function addToCart(id)
{
    var qty = $$('tbQuantity_' + id).value;
    
    if(qty.length > 0 && !isNaN(qty))
    {
        toggleLoading("imgAddToCart_" + id, true);
        $.ajax({
            type:"GET",
            url:"Products.aspx",
            data:"id="+id+"&quantity="+qty+"&random="+getRandom(),
            success:function(res){
                if(res.length > 0){
                    toggleLoading("imgAddToCart_" + id, false);
                    $$(DIV_CART).innerHTML = res;
                    colorFade.fadeColor("trCart_" + id,"#FFF30F","#F4F5F4",7,30,'b');
                }
                else{
                    toggleLoading("imgAddToCart_" + id, false);
                    if(confirm('You need to be logged in to utilize your cart. Would you like to log in now?')){
                        tb_show('Login','Login.aspx?height=250&width=300&ru=' + CURRENT_URL,'')
                }
            }
            },
            error:function(){
                toggleLoading("imgAddToCart_" + id, false);
                alert('An error occurred. Please try again or try refreshing the page.');                
            }
        });
    }
    else
        alert('Please specifiy a quantity for this item.');
}

function toggleLoading(id,visible)
{
    $$(id).src = visible ? "Images/loading-small.gif" : "Images/basket/basket_add.png";
}

// used to override caching
function getRandom()
{
    return Math.floor(Math.random()*100000000);
}