//Initialize OpenGL
		glDisable(GL_DEPTH_TEST);
		glMatrixMode(GL_PROJECTION);
		glLoadIdentity();
		glOrtho(0, 640, 480, 0, 1, -1);
		glMatrixMode(GL_MODELVIEW);
		glClearColor(0f,0f,0f,0f);
		glEnable(GL_TEXTURE_2D);
		glEnable(GL_BLEND);
		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);