... TWiki ? BehaviourContrib . This contrib packages the third-party Behaviour Javascript event library, available from http://bennolan.com/behaviour/ . ... And then use css selectors to select that element and add javascript functions to it. var myrules = { '#example li' : function(el){ el.onclick = function(){ this.parentNode.removeChild(this); } } }; Behaviour.register(myrules); . ... var myrules = { '.menu li a' : function(element) { element.onclick = function() { // code here } } }; . ...