//	立加蜡历 宏扼捞历 犬牢
function user_browser(ua)
{
	if(index_of(ua, 'msie')) {

		if(index_of(ua,'7.0')) browser = "Internet Explorer7"; 
		else browser = "Internet Explorer";
	}
	else if(index_of(ua,'opera')) browser = "Opera"; 
	else if(index_of(ua,'netscape')) browser = "Netscape"; 
	else if(index_of(ua,'firefox/2')) browser = "Firefox2";
	else if(index_of(ua,'firefox')) browser = "Firefox";
	else if(index_of(ua,'safari')) browser = "Safari";

	return browser ;
}

// 立加蜡历 OS 眉农
function user_os(ua, pf){

	if(index_of(pf,'win32')) {

		if(index_of(ua,'98')) os = 'Windows 98';
		else if(index_of(ua,'95')) os = 'Windows 95';
		else if(index_of(ua,'nt 6.0')) os ='Windows Vista';
		else if(index_of(ua,'nt 5.0')) os = 'Windows 2000';
		else if(index_of(ua,'nt 5.1')) os = 'Windows XP';
		else if(index_of(ua,'nt 5.2')) os ='Windows Server 2003';
		else if(index_of(ua,'nt')) os = 'Windows NT';
		else if(index_of(ua,'me')) os = 'Windows Me';
		else os = 'Windows';
	}
	else {

	 	var os_code = pf.substring(0,4);
		if(os_code == 'win1') os = 'Windows 3.1';
		else if(os_code == 'mac6') os = 'Mac';
		else if(os_code == 'maco') os ='Mac';
		else if(os_code == 'macp') os='Mac';
		else if(os_code == 'linu') os='Linux';
		else if(os_code == 'webt') os='WebTV';
		else if(os_code =='osf1') os ='Compaq Open VMS';
		else if(os_code == 'hp-u') os='HP Unix';
		else if(os_code == 'os/2') os = 'OS/2' ;
		else if(os_code == 'aix4') os = 'AIX';
		else if(os_code == 'free') os = 'FreeBSD';
		else if(os_code == 'suno') os = 'SunO';
		else if(os_code == 'drea') os = 'Drea';
		else if(os_code == 'plan') os = 'Plan';
	}
	return os ;
}

// 
function index_of(ua, word){
	
	if(null_chk(ua) == 1) return false;
	if(ua.indexOf(word) >-1)
		return true;
	else
		return false;
}

function null_chk(ua){
	
	if(!ua || ua == "" || ua == "undefined" || ua =="unknown") return 1;
	else return 0;
}

function cpv_anal()
{	
	/* 2008斥 8岿 7老 格夸老
	var cpv = new Image();
	var log = new Image();
	var referer = document.referrer;
	referer = referer.replace('&', '|');
	var ua = navigator.userAgent.toLowerCase();
	var pf = navigator.platform.toLowerCase();

	var browser = user_browser(ua);
	var os = user_os(ua, pf);

	cpv.src="http://ad.werping.com/analysis.htm";
//	log.src='http://visit.werping.com/visit.htm?mode=visit_log&referer=' + referer + '&browser=' + browser + '&os=' + os;
*/
}