function goto_URL(day, seat, shipping)
{
    //only_day[0] have ONLY the day of the week
    only_day = day.split(" ");
    //CONTROLLO PER VERIFICARE CHE SIA STATO SELEZIONATO UN GIORNO, UN POSTO CORRETTO E UN TIPO DI SPEDIZIONE
    if  ((day != 0) && (seat != 0) && (shipping != 0 ))
    {
        //POLTRONISSIME GOLD TICKET VIA COURIER
        if ((seat == "Poltronissime Gold Ticket") && (shipping== "Courier"))
        {   //WEEKEND CONDITION
            if ((only_day[0] == "Friday") || (only_day[0] == "Saturday"))   
                window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=92";
                else
                    window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=93";
        }
        //POLTRONISSIME GOLD TICKET VIA POST
        if ((seat == "Poltronissime Gold Ticket") && (shipping== "Post"))
        {
            if ((only_day[0] == "Friday") || (only_day[0] == "Saturday"))
                window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=91";
                else
                    window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=94";
        }
        //POLTRONISSIME TICKET VIA COURIER
        if ((seat == "Poltronissime Ticket") && (shipping== "Courier"))
        {
            if ((only_day[0] == "Friday") || (only_day[0] == "Saturday"))
                window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=95";
                else
                    window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=97";
        }
        //POLTRONISSIME TICKET VIA POST
        if ((seat == "Poltronissime Ticket") && (shipping== "Post"))
        {
            if ((only_day[0] == "Friday") || (only_day[0] == "Saturday"))
                window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=96";
                else
                    window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=98";
        }
        //POLTRONE TICKET VIA COURIER
        if ((seat == "Poltrone Ticket") && (shipping== "Courier"))
        {
            if ((only_day[0] == "Friday") || (only_day[0] == "Saturday"))
                window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=100";
                else
                    window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=101";
        }
        //POLTRONE TICKET VIA POST
        if ((seat == "Poltrone Ticket") && (shipping== "Post"))
        {
            if ((only_day[0] == "Friday") || (only_day[0] == "Saturday"))
                window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=99";
                else
                    window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=102";
        }
        //GRADINATA NUMERATA TICKET VIA COURIER
        if ((seat == "Gradinata Numerata ticket") && (shipping== "Courier"))
        {
            if ((only_day[0] == "Friday") || (only_day[0] == "Saturday"))
                window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=103";
                else
                    window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=106";
        }
        //GRADINATA NUMERATA TICKET VIA POST
        if ((seat == "Gradinata Numerata ticket") && (shipping== "Post"))
        {
            if ((only_day[0] == "Friday") || (only_day[0] == "Saturday"))
                window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=104";
                else
                    window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=105";
        }
        //GRADINATA NUMERATA LATERALE VIA COURIER
        if ((seat == "Gradinata Numerata laterale") && (shipping== "Courier"))
        {
            if ((only_day[0] == "Friday") || (only_day[0] == "Saturday"))
                window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=107";
                else
                    window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=109";
        }
        //GRADINATA NUMERATA LATERALE VIA POST
        if ((seat == "Gradinata Numerata laterale") && (shipping== "Post"))
        {
            if ((only_day[0] == "Friday") || (only_day[0] == "Saturday"))
                window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=108";
                else
                    window.document.location.href = "http://www.tickitaly.com/shop/product.php?productid=110";
        }
    }
    else
    {
        alert("Please select a date, a seat type and type of shipping.");
    }
}