RBOverImg = new Image(); RBOverImg.src = 'img/b_req_o.gif';
	CBOverImg = new Image(); CBOverImg.src = 'img/b_cont_o.gif';
	RBOutImg = new Image(); RBOutImg.src = 'img/b_req.gif';
	CBOutImg = new Image(); CBOutImg.src = 'img/b_cont.gif';