var materials = [
    new THREE.MeshBasicMaterial( {color:'#b02030'} ),
    new THREE.MeshLambertMaterial( {color:'#b02030'} ), 
    new THREE.MeshPhongMaterial( {color:'#b02030', shininess: 100 } ),
    new THREE.MeshNormalMaterial(),
    // ...
];
var materialToShow = 0;