$.fn.uaMenu_Item = function()
    {// a span
        this.
            on(EV_CLEAR,function(ev)
            {//clear selection
                ev.stopImmediatePropagation();
                $(this).removeClass('text-primary');
            }).
            on('click',function(ev)
            {//user clicked
                ev.stopImmediatePropagation();
               
                $(this).
                        trigger($.Event(EV_EXTERN,{uaData:{info: {ev:EV_CLICKED},data: {id:$(this).attr('id')}}})).
                        addClass('text-primary');//show new selection.                                                                                        
            }).
            on(EV_CLICKED,function(ev)
            {//external call. For Google robots
                ev.stopImmediatePropagation();
               
                $(this).
                        trigger($.Event(EV_EXTERN,{uaData:{info: {ev:EV_CLICKED},data: {id:`${$(this).attr('id')}?id=${ev.uaData.data}`}}})).
                        addClass('text-primary');//show new selection.                 
            });       
                            
        return this;
    };//$.fn.uaMenu_Item = function()