// JScript File
function CheckCart()
{
    var flagEmpty = false;
    var flagZero = false;
    var cart = document.getElementById("ctl00_ContentPlaceHolder1_gvCart").getElementsByTagName("input");
    for(var count=0; count < cart.length; count++)
    {
        if(cart[count].type == "text")
        {
            if(TrimString(cart[count].value)=="")
            {
                flagEmpty = true;
                break;
            }
            else
            {
                if(TrimString(cart[count].value) == "0")
                {
                    flagZero = true;
                    break;
                }
            }
        }
    }
    
    if(flagEmpty)
    {
        alert("Quantiy is required");
        return false;
    }
    
    if(flagZero)
    {
        alert("Quantiy should be greater than zero");
        return false;
    }
}