## Forms [php]
	function show(){
		echo $this->render();
	}
	function field($field){
		if (is_array($field)) $field = new InputField($field);
		return $this->fields[] = $field;
	}
	function get_field($name){
		foreach ($this->fields as $field)
			if ($field->name == $name)
				return $field;
		return null;
	}