function validateForm()
    {
	    var message = "";
	    var valid = false;

	    if( document.Booking.from.value == "")
	    {
		    message = message + "Please enter the departure location.\n";
	    }

		 if( document.Booking.to.value == "")
	    {
		    message = message + "Please enter the arrival location.\n";
	    }
		
		 if( document.Booking.departure_date.value == "")
	    {
		    message = message + "Please enter the departure date.\n";
	    }
		
		 if( document.Booking.ime.value == "")
	    {
		    message = message + "Please enter your name.\n";
	    }
		
		 if( document.Booking.e_mail.value == "")
	    {
		    message = message + "Please enter your email.\n";
	    }
		if( document.Booking.telephone.value == "")
	    {
		    message = message + "Please enter your phone number.\n";
	    }
		
		if( message.length > 0)
	    {
		    alert(message);
	    }
	    else
	    {
		    valid = true;
	    }

	    return valid;
    }