var referer_page=document.referrer;
var now_page=document.URL;
var reAnd = new RegExp("&","g");
referer_page = referer_page.replace(reAnd,"~");
now_page = now_page.replace(reAnd,"~");
var swidth = screen.width;
var sheight = screen.height;
var screen_wh = swidth+"*"+sheight;
document.write("<script src='http://visit.net999.cn/stat.php?site_id=2031&referer_page="+referer_page+"&now_page="+now_page+"&screen_wh="+screen_wh+"'></scr"+"ipt>");