code: function(finalCoord) {
  
          var t = this.thumb,
              self = this,
              nextCoord = null,
              tmpX, tmpY;
  
          if (t._isRegion) {
              nextCoord = this._getNextX(this.curCoord, finalCoord);
              tmpX = (nextCoord !== null) ? nextCoord[0] : this.curCoord[0];
              nextCoord = this._getNextY(this.curCoord, finalCoord);
              tmpY = (nextCoord !== null) ? nextCoord[1] : this.curCoord[1];
  
              nextCoord = tmpX !== this.curCoord[0] || tmpY !== this.curCoord[1] ?
                  [ tmpX, tmpY ] : null;
          } else if (t._isHoriz) {
              nextCoord = this._getNextX(this.curCoord, finalCoord);
          } else {
              nextCoord = this._getNextY(this.curCoord, finalCoord);
          }
  
  
          if (nextCoord) {
  
              // cache the position
              this.curCoord = nextCoord;
  
              // move to the next coord
              this.thumb.alignElWithMouse(t.getEl(), nextCoord[0] + this.thumbCenterPoint.x, nextCoord[1] + this.thumbCenterPoint.y);
              
              // check if we are in the final position, if not make a recursive call
              if (!(nextCoord[0] == finalCoord[0] && nextCoord[1] == finalCoord[1])) {
                  setTimeout(function() { self.moveOneTick(finalCoord); }, 
                          this.tickPause);
              } else {
                  this.unlock();
                  if (!this._mouseDown) {
                      this.endMove();
                  }
              }
          } else {
              this.unlock();
              if (!this._mouseDown) {
                  this.endMove();
              }
          }
      }
docs: Move the slider one tick mark towards its final coordinate.  Used
  for the animation when tick marks are defined
  @method moveOneTick
  @param {int[]} the destination coordinate
  @private