Listing 7, atf-events-3.js, which uses Lowpro's event-adding code function show_x_and_y(event) { alert(event.pageX + ", " + event.pageY); return false; } Event.addBehavior({ '#hyperlink:click' : show_x_and_y, '#hyperlink:mouseover' : function() { $( 'the_form' ).hide() }, '#hyperlink:mouseout' : function() { $( 'the_form' ).show() } });