public void initGL(){
		glClearColor (.8f, .9f, 1f, 0f);
		GL11.glEnable(GL11.GL_BLEND);
		GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA);
		glViewport(0, 0, 800, 600);
		glMatrixMode(GL11.GL_PROJECTION);
		glLoadIdentity();
		GLU.gluPerspective( 45.0f, (float)800/(float)600, 1.0f, 200.0f ); 
		glMatrixMode(GL11.GL_MODELVIEW);
		glEnable(GL_DEPTH_TEST);
		glShadeModel (GL_SMOOTH);
	}