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
		 **/
	}
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