document.observe("dom:loaded", function() {
	if( $("username") ) {
		var username = $("username");
		var old_username_value = username.value;

		username.observe("focus", function() {
			username.value = "";
			username.className = "formselected";
		});

		username.observe("blur", function() {
			if( username.value == "" ) {
				username.value = old_username_value;
				username.className = "formunselected";
			}
		});
	}

	if( $("password") ) {
		var password = $("password");
		var old_password_value = password.value;

		password.observe("focus", function() {
			password.value = "";
			password.className = "formselected";
		});

		password.observe("blur", function() {
			if( password.value == "" ) {
				password.value = old_password_value;
				password.className = "formunselected";
			}
		});
	}
});