code: function() {
  			clearTimeout( panEngageTimeout );
  			clearInterval( panUpdateInterval );
  
  			var scrollOffset = getScrollOffset();
  
  			if( currentOptions && currentOptions.element ) {
  				scrollOffset.x -= ( window.innerWidth - ( currentOptions.width * currentOptions.scale ) ) / 2;
  			}
  
  			magnify( scrollOffset.x, scrollOffset.y, 0, 0, 1 );
  
  			level = 1;
  		}
docs: Resets the document zoom state to its default.