<!--
var nav_img=new Array(2);
nav_img[0]=new Image();
nav_img[0].src="index/index_lan.gif";
nav_img[1]=new Image();
nav_img[1].src="index/index_hui.gif";

function index_roll(roll_id,bg_color){
	if(bg_color=="lan"){bg_color=0}
	if(bg_color=="hui"){bg_color=1}
	eval(roll_id+".background=nav_img["+bg_color+"].src");
}
//-->