function good_add(eiv)
	{
		var teste = false;
		var strtest = new String(eiv);
		var index = strtest.indexOf("@");

		if (index > 0)
		{
			var eid = strtest.indexOf(".",index);

			if (eid > index+1 && strtest.length > eid+1)
			{
				teste = true;
			}

			return teste;
		}
	}

	function validate()
	{
		var e = '';

		for (var i = 0; i < document.booking.elements.length; i++)
		{
    			var j = document.booking.elements[i];

			
					if (j.value == '')
					{
						e = "Please fill in all fields\n";
					}

		}

		if ( e )
		{
			alert(e);

			return false;
		}
		else
		{
			/* submit would go here */

			 document.booking.submit();
			 return true;

		}
	}