anchor.diff:                      action = ACTION_MOVE;
                       timespanManipulating = thisRef;
                       mouseY = event.pageY;
  +                    jQueryObject.css("z-index", getZIndex());
                       event.stopPropagation();
                   });
   
                   jQueryObject.css("top", getPixelOffset(startTime));
                   jQueryObject.css("height", getPixelInterval(startTime, endTime));
  +                jQueryObject.css("z-index", getZIndex());
   
                   this.paint = function (y) {
                       var topOffset = jQueryObject.offset().top;
  
positive.code:             function getNewId () {
                  _id++;
                  return "timespan_" + _id;
              }
  
              var test = false;
  
negative.code:                     action = ACTION_RESIZE_TOP;
                      timespanManipulating = thisRef;
                      mousey = event.pageY;
                      jQueryObject.css("z-index", getZIndex());
                      event.stopPropagation();
                  });
                  $bottomResizer.mousedown(function (event) {
                      action = ACTION_RESIZE_BOTTOM;
                      timespanManipulating = thisRef;
                      mousey = event.pageY;
                      jQueryObject.css("z-index", getZIndex());
                      event.stopPropagation();
                  });
  
  