public function isFactSourced($eventslist){
	    if(empty($eventslist)) return 0;
		$isSourced=0;
		$facts = $this->gedcomrecord->getFacts($eventslist);
		foreach($facts as $fact){
			if($isSourced < Fact::MAX_IS_SOURCED_LEVEL){
				$dfact = new Fact($fact);
				$tmpIsSourced = $dfact->isSourced();
				if($tmpIsSourced != 0) {
					if($isSourced==0) {
						$isSourced =  $tmpIsSourced;
					}
					else{
						$isSourced = max($isSourced, $tmpIsSourced);
					}
				}
			}
		}
		return $isSourced;
	}