<field name="ytext_cssid" type="text" size="30" default="" label="Mega Content ID" description="Mega Content ID" />

<field name="ytext_cssid" type="text" size="30" default="" label="Mega Content ID" description="Mega Content ID" />
<field name="ytmenu_class" type="text" size="30" default="" label="Mega Menu Class" description="Mega Menu Class" />

public function getClass(){
			$liClass = '';
			if ($this->get('active')==1 && !in_array('active', $this->_classes)){
				array_unshift($this->_classes, 'active');
			}
			if(count($this->_classes)>0){
				$liClass = implode(' ', $this->_classes);
			}
			return $liClass;
		}

public function getClass(){
			$liClass = '';
			$mega_menu_class = $this->params->get('ytmenu_class');
			if ($this->get('active')==1 && !in_array('active', $this->_classes)){
				array_unshift($this->_classes, 'active');
			}
			if(count($this->_classes)>0){
				$liClass = implode(' ', $this->_classes);
				$liClass = $liClass.' '.$mega_menu_class;
			}
			return $liClass;
		}