function validar_blancos(form)
{
var error = "";
var a = ""

   //if ((document.cart_quantity.price.value == "") || (document.cart_quantity.price2.value == "")) { a += "It must Select a Product:\n"; }

   if ((document.cart_quantity.text_qty.value == "") || (document.cart_quantity.text_qty.value <= "0")) { a += "It must Specify an Amount:\n"; }	
   if ((document.cart_quantity.name3.value == "") || (document.cart_quantity.description3.value == "")) { a += "It must Select a Product:\n"; }	 
 //  if (document.cart_quantity.products.value == "none") {a += "It must Select a Product:\n";}
	
	if (a != "") { alert(error + a); return true; }
document.cart_quantity.action='add_cart.php';
document.cart_quantity.submit()
}