b=0;

	function validate(form) {
			if (b==1) {form.reset();form.user.focus();b=0;return false;
                        } else {
				if (form.user.value.length<3) {alert("Please enter your username!");form.name.focus();return false;}
				if (form.pass.value.length<3) {alert("Please enter your password!");form.pass.focus();return false;}
                        }
		}