$('.content').delegate('.Table.axis#y th', 'mousemove.Tables', function(e) {
    var position = $(this).offset();
    $('.Table.axis th.resize').removeClass('resize');
    if (Math.abs(e.pageY - position.top) < 5 || Math.abs(e.pageY - (position.top + $(this).height())) < 5) {
      $(this).addClass('resize');