text: /**
   * @author mrdoob / http://mrdoob.com/
   */
  
  THREE.MaterialLoader = function ( manager ) {
  
  	this.manager = ( manager !== undefined ) ? manager : THREE.DefaultLoadingManager;
  
  };
  
  THREE.MaterialLoader.prototype = {
  
  	constructor: THREE.MaterialLoader,
  
  	load: function ( url, onLoad, onProgress, onError ) {
  
  		var scope = this;
  
  		var loader = new THREE.XHRLoader();
  		loader.setCrossOrigin( this.crossOrigin );
  		loader.load( url, function ( text ) {
  
  			onLoad( scope.parse( JSON.parse( text ) ) );
  
  		} );
  
  	},
  
  	setCrossOrigin: function ( value ) {
  
  		this.crossOrigin = value;
  
  	},
  
  	parse: function ( json ) {
  
  		var material = new THREE[ json.type ];
  
  		if ( json.color !== undefined ) material.color.setHex( json.color );
  		if ( json.ambient !== undefined ) material.ambient.setHex( json.ambient );
  		if ( json.emissive !== undefined ) material.emissive.setHex( json.emissive );
  		if ( json.specular !== undefined ) material.specular.setHex( json.specular );
  		if ( json.shininess !== undefined ) material.shininess = json.shininess;
  		if ( json.vertexColors !== undefined ) material.vertexColors = json.vertexColors;
  		if ( json.blending !== undefined ) material.blending = json.blending;
  		if ( json.side !== undefined ) material.side = json.side;
  		if ( json.opacity !== undefined ) material.opacity = json.opacity;
  		if ( json.transparent !== undefined ) material.transparent = json.transparent;
  		if ( json.wireframe !== undefined ) material.wireframe = json.wireframe;
  
  		if ( json.materials !== undefined ) {
  
  			for ( var i = 0, l = json.materials.length; i < l; i ++ ) {
  
  				material.materials.push( this.parse( json.materials[ i ] ) );
  
  			}
  
  		}
  
  		return material;
  
  	}
  
  };
  