code: function Rectangle(x, y, width, height) {
  		this.setValues(x, y, width, height);
  
  
  	// public properties:
  		// assigned in the setValues method.
  		/**
  		 * X position.
  		 * @property x
  		 * @type Number
  		 **/
  
  		/**
  		 * Y position.
  		 * @property y
  		 * @type Number
  		 **/
  
  		/**
  		 * Width.
  		 * @property width
  		 * @type Number
  		 **/
  
  		/**
  		 * Height.
  		 * @property height
  		 * @type Number
  		 **/
  	}
docs: constructor: 
  Represents a rectangle as defined by the points (x, y) and (x+width, y+height).
  
  <h4>Example</h4>
  
  var rect = new createjs.Rectangle(0, 0, 100, 100);
  
  @class Rectangle
  @param {Number} [x=0] X position.
  @param {Number} [y=0] Y position.
  @param {Number} [width=0] The width of the Rectangle.
  @param {Number} [height=0] The height of the Rectangle.
  @constructor