rem: var offsets = Position.cumulativeOffset(element); update.style.left = offsets[0] + 'px'; update.style.top  = (offsets[1] + element.offsetHeight) + 'px'; update.style.width = element.offsetWidth + 'px'; 
add: Position.clone(element, update, {setHeight: false, offsetTop: element.offsetHeight}); 
context:     function(element, update){       if(!update.style.position || update.style.position=='absolute') {        update.style.position = 'absolute';          var offsets = Position.cumulativeOffset(element);          update.style.left = offsets[0] + 'px';          update.style.top  = (offsets[1] + element.offsetHeight) + 'px';          update.style.width = element.offsetWidth + 'px';      }      new Effect.Appear(update,{duration:0.15});    };
meta: 2355	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/2355/9867ca01ad65827d23c0bf6cc14d8a64137e927d/controls.js/buggy/tracks/public/javascripts/controls.js