function show_form(pid){   
    document.getElementById("order_form_"+pid).style.display="none";
    document.getElementById("no_image_prod_"+pid).style.display="none";
    document.getElementById("hide_info_"+pid).style.display="block";
    document.getElementById("add_product_"+pid).style.display="block";
    document.getElementById("atributes_"+pid).style.display="block";
}
function hide_form(pid){
    document.getElementById("add_product_"+pid).style.display="none";
    document.getElementById("hide_info_"+pid).style.display="none";
    document.getElementById("atributes_"+pid).style.display="none";
    document.getElementById("no_image_prod_"+pid).style.display="block";
    document.getElementById("order_form_"+pid).style.display="block";
}