I noticed that the page didn't work right with IE and also didn't stop the animation if you did mouseover/out quickly. This version works a bit better:
var $cont = $('#scrollMe'); var parentHeight = $cont.height(); var childHeight = $cont.find('li:first').height(); $cont.height(childHeight); $cont.hover(function(){ $cont.stop().animate({ height: parentHeight },'slow'); },function(){ $cont.stop().animate({ height: childHeight },'slow'); });