public function setUrls($urls) {
		if(\is_array($urls)){
			$this->_urls["refresh"]=JArray::getValue($urls, "refresh",0);
			$this->_urls["edit"]=JArray::getValue($urls, "edit",1);
			$this->_urls["delete"]=JArray::getValue($urls, "delete",2);
			$this->_urls["display"]=JArray::getValue($urls, "display",3);
		}else{
			$this->_urls=["refresh"=>$urls,"edit"=>$urls,"delete"=>$urls,"display"=>$urls];
		}
		return $this;
	}