<?
class ATTRIBUTE {
	/** element id number */
	var $element;
	/** name */
	var $name;
	/** value */
	var $value;
	/** id number */
	var $id;
	
	function add() {
		/** globalize db connection */
		global $db;
		$this->name = strtolower($this->name);
		$this->value = strtolower($this->value);
		/** add the attribute to the database */
		$query = "INSERT INTO ATTRIBUTES SET
			NAME = '$this->name',
			VALUE = '$this->value',
			ELEMENT = $this->element";
		$result = mysql_query($query);
		
		/** get the attributes id number */
		$this->id = mysql_insert_id($db);
	}
	
	function update() {
		if(!$this->id) $this->add();
		$query = "UPDATE ATTRIBUTES SET
			NAME = '$this->name',
			VALUE = '$this->value'
			WHERE ID = $this->id";
		$result = mysql_query($query);
	}
	
	function delete() {
		$query = "DELETE FROM ATTRIBUTES WHERE
			ID = $this->id";
		
		$result = mysql_query($query);
	}
}
?>