bn1s=new Image(30,30);
		bn1s.src="imgs/button_person01.gif";
		bn2s=new Image(30,30);
		bn2s.src="imgs/button_agree01.gif";
		bn3s=new Image(30,30);
		bn3s.src="imgs/button_cancel01.gif";
		bn4s=new Image(30,30);
		bn4s.src="imgs/button_id01.gif";
		bn5s=new Image(30,30);
		bn5s.src="imgs/button_zip01.gif";
		bn6s=new Image(30,30);
		bn6s.src="imgs/button_regist01.gif";
		bn7s=new Image(30,30);
		bn7s.src="imgs/button_login01.gif";
		bn8s=new Image(30,30);
		bn8s.src="imgs/button_home01.gif";
		bn9s=new Image(30,30);
		bn9s.src="imgs/button_send01.gif";
		bn10s=new Image(30,30);
		bn10s.src="imgs/button_back01.gif";
		
		
		
		bn1n=new Image(30,30);
		bn1n.src="imgs/button_person1.gif";
		bn2n=new Image(30,30);
		bn2n.src="imgs/button_agree1.gif";
		bn3n=new Image(30,30);
		bn3n.src="imgs/button_cancel1.gif";
		bn4n=new Image(30,30);
		bn4n.src="imgs/button_id1.gif";
		bn5n=new Image(30,30);
		bn5n.src="imgs/button_zip1.gif";
		bn6n=new Image(30,30);
		bn6n.src="imgs/button_regist1.gif";
		bn7n=new Image(30,30);
		bn7n.src="imgs/button_login1.gif";
		bn8n=new Image(30,30);
		bn8n.src="imgs/button_home1.gif";
		bn9n=new Image(30,30);
		bn9n.src="imgs/button_send1.gif";
		bn10n=new Image(30,30);
		bn10n.src="imgs/button_back1.gif";
		
		
		
		
		
		
		
		function img_act(imgName) {
		document[imgName].src=eval(imgName+"s.src");
		}
		function img_inact(imgName) {
		document[imgName].src=eval(imgName+"n.src");
		}