code: function(oEvent) {
  			var iLocationY = ExtensionHelper._getEventPosition(oEvent, this).y;
  			var iMin = this.$().offset().top;
  			if (iLocationY > iMin) {
  				this.$("ghost").css("top", iLocationY + "px");
  			}
  		}
docs: /*
  Handler for the move events while dragging the horizontal resize bar.