var event_0_count = 0; var event_0_content = new Array( ); var lastEvent = 0; function update_events(){ document.getElementById('event_0_0').innerHTML = event_0_content[(lastEvent+0) % 0]; document.getElementById('event_0_1').innerHTML = event_0_content[(lastEvent+1) % 0]; lastEvent +=2; } update_events(); window.setInterval("update_events()", 10 * 1000);