public function generateTokenHTML($force=false) {
		if( $force ) {
			$token	= $this->generateToken();
		} else {
			if( !isset($this->lastToken) ) {
				$this->lastToken	= $this->generateToken();
			}
			$token	= $this->lastToken;
		}
		return '<input type="hidden" name="'.self::HTML_PREFIX.$this->name.'" value="'.$token.'" />';
	}