Form.check = function(form) {
	var isValid       = true;
	var password      = '';
	var password_conf = '';
	
	$(form).getElements().each(function(e) {
		if(e.name == 'passwd')
			password = $F(e);
		if(e.name == 'passwd_conf')
			password_conf = $F(e);
		
		if(e.className == 'required' && (!e.present() || $F(e) == null))
		{
			new Effect.Shake(e);
			isValid = false;
		}
	});
	if(password != '' && password_conf != '')
	{
		if(password != password_conf)
		{
			isValid = false;
			new Effect.Shake($(form)['passwd']);
			new Effect.Shake($(form)['passwd_conf']);
		}
	}
		
	
	return isValid;
};


Form.getRadioValue = function(formName, radioName) {
		return Form.getInputs(formName,'radio',radioName).find(function(radio) { return radio.checked; }).value;
};