engine.load('somefile.ccbjs');

engine.load('somefile.ccbjs');

<script type="text/javascript">
	
var engineSphere = startCopperLichtFromFile('spherearea', 'copperlichtdata/sphere.ccbjs');
var savedBuffer = null;
engineSphere.OnLoa_dingComplete = function() {
 		console.log("sphere complete");
		var sceneSphere = engineSphere.getScene();
		if (sceneSphere) {
		savedBuffer = sceneSphere.getSceneNodeFromName('sphereMesh1');
		//shows buffered javaScript object == sphereMesh1
		console.log(savedBuffer)
  		}
}

var engine = startCopperLichtFromFile('cubearea', 'copperlichtdata/cube.ccbjs');
var cubeSceneNode = null;
engine.OnLoa_dingComplete = function() {  
		console.log("cube complete");
		var scene = engine.getScene();
		if (scene){
			loadModel = function(){
			console.log("savedBuffer before addChild");
			console.log(savedBuffer);
			scene.getRootSceneNode().addChild(savedBuffer);
			}
		// find the cube scene node
		cubeSceneNode = scene.getSceneNodeFromName('cubeMesh1');
		// also, force the 3d engine to update the scene every frame
		scene.setRedrawMode(CL3D.Scene.REDRAW_EVERY_FRAME);
		}
}
	
document. = function(event){
var key = String.fromCharCode(event.keyCode);
// when pressed 'F', move the cube scene node a bit up
if (key == 'F' && cubeSceneNode) cubeSceneNode.Pos.Y += 5;
// when pressed 'G', move the cube scene node a bit down
if (key == 'G' && cubeSceneNode) cubeSceneNode.Pos.Y -= 5;
// we need to call the key handler of the 3d engine as well, so that the user is
// able to move the camera using the keys
engine.handleKeyDown(event);
};
	
</script>
<button ="loadModel()">Load Sphere</button>