private function parseConditions() {
		$index = $this->pos;
		$return = $a = $this->parseCondition();
		if( $a ){
			while( true ){
				if( !$this->PeekReg('/\\G,\s*(not\s*)?\(/') ||  !$this->MatchChar(',') ){
					break;
				}
				$b = $this->parseCondition();
				if( !$b ){
					break;
				}

				$return = $this->NewObj4('Less_Tree_Condition',array('or', $return, $b, $index));
			}
			return $return;
		}
	}