Something

static void cwk2_sprite_render (Cwk1RenderMode mode, Shape *sprite)
{
	Cwk2SpriteData *data = sprite->private_data;

	glMatrixMode (GL_PROJECTION);
	glPushMatrix ();
	glLoadIdentity ();
	gluOrtho2D (0, 1, 1, 0);
	glMatrixMode (GL_MODELVIEW);
	glLoadIdentity ();
/*	glDepthFunc (GL_NEVER);*/
	
	glDisable (GL_CULL_FACE);
	glDisable (GL_LIGHTING);

	glBindTexture (GL_TEXTURE_2D, data->texture);
	glBegin (GL_QUADS);
	glColor4fv (sprite->colour);
	glTexCoord2f (0, 0);
	glVertex2f (0, 0);

	glColor4fv (sprite->colour);
	glTexCoord2f (1, 0);
	glVertex2f (1, 0);

	glColor4fv (sprite->colour);
	glTexCoord2f (1, 1);
	glVertex2f (1, 1);

	glColor4fv (sprite->colour);
	glTexCoord2f (0, 1);
	glVertex2f (0, 1);
	glEnd ();

	glEnable (GL_CULL_FACE);
	glEnable (GL_LIGHTING);

/*	glDepthFunc (GL_LEQUAL);*/

	glMatrixMode (GL_PROJECTION);
	glPopMatrix ();
	glMatrixMode (GL_MODELVIEW);
}