function validate(){
			var digits="0123456789"
			var temp

			if (document.formMenu.criteriu1.value=="none"){
				alert("You must select the product group!")
				return false
			}

			if (document.formMenu.criteriu2.value=="none"){
				alert("You must select the domain !")
				return false
			}
			
			if (document.formMenu.criteriu3.value=="none"){
				alert("You must select the operation !")
				return false
			}
			

			
			 
			return true
		}