function younet_get_client_info(){
	//操作系统
	ygci_os = new Array();
	ygci_os['WinLongHorn'] = 'Windows Longhorn|Windows NT 7';
	ygci_os['Win.net'] = 'Windows NT 5\.2';
	ygci_os['Win2003'] = 'Windows 2003';
	ygci_os['WinXP'] = 'Windows NT 5\.1|WinNT5\.1|Windows XP 5\.1|Windows XP|WinXP';
	ygci_os['Win2000'] = 'Windows NT 5.0|Windows 2000|Win2000|WinNT5.0';
	ygci_os['WinCE'] = 'Windows CE';
	ygci_os['WinNT4'] = 'WinNT4.0|Windows NT 4.0|Windows NT';
	ygci_os['WinME'] = 'Win 9x 4.90|Win9x 4.90|Windows ME';
	ygci_os['Win9X'] = 'Win95|Windows 95|Win98|Windows 98';
	ygci_os['Windows'] = 'Win(16|9x|3\.11|dows 3\.1)';
	ygci_os['FreeBSD'] = 'FreeBSD';
	ygci_os['Linux'] = 'Linux|X11';
	ygci_os['Unix'] = 'Unix|Konqueror';
	ygci_os['OS%2F2'] = 'OS\/2';
	ygci_os['SunOS'] = 'SunOS';
	ygci_os['Mac'] = 'Mac|68K|PPC';

	//浏览器
	ygci_br = new Array();
	ygci_br['SearchEngine'] = 'bot|Baidu|Google|Lycos|Search|Spider|Slurp|Scooter|Infoseek|Crawler|Atomz|seek';
	ygci_br['Opera'] = 'Opera';
	ygci_br['NetCaptor'] = 'NetCaptor';
	ygci_br['IE'] = 'MSIE';
	ygci_br['Netscape'] = 'Netscape';
	ygci_br['Phoenix'] = 'Phoenix';
	ygci_br['QuickTime'] = 'QuickTime';
	ygci_br['Konqueror'] = 'Konqueror';
	ygci_br['Firebird'] = 'Firebird';
	ygci_br['Mozilla'] = 'Mozilla\/5\.0 \(';

	//ie版本
	ygci_ie = new Array();;
	ygci_ie['3'] = 'MSIE *3\.';
	ygci_ie['4'] = 'MSIE *4\.';
	ygci_ie['5'] = 'MSIE *5\.';
	ygci_ie['5.5'] = 'MSIE *5\.5';
	ygci_ie['6'] = 'MSIE *6\.';
	ygci_ie['7'] = 'MSIE *7\.';

	//来源地址
	ygci_Referrer = escape(document.referrer.substr(document.referrer.indexOf('://')+3));
	ygci_Referrer = ygci_Referrer.replace(/\+/,'%2B');
	//当前地址
	ygci_Url = escape(document.location.href.substr(document.location.href.indexOf('://')+3));
	ygci_Url = ygci_Url.replace(/\+/,'%2B');
	//二级域名
	ygci_Site = ygci_Url.substr(0,ygci_Url.indexOf('.'));
	//分辨率
	ygci_Resolution = screen.width+"x"+screen.height;
	//颜色数
	ygci_Color = (window.screen.colorDepth);
	ygci_ua = navigator.userAgent;
	//操作系统
	ygci_OperaSystem = 'etc';
	for (key in ygci_os){
		ygci_str = 'ygci_ua.match(/'+ygci_os[key]+'/ig)'
		if (eval(ygci_str)){
			ygci_OperaSystem = key;
			break;
		}
	}
	//浏览器
	ygci_Browser = 'etc';
	for (key in ygci_br){
		ygci_str = 'ygci_ua.match(/'+ygci_br[key]+'/ig)'
		if (eval(ygci_str)){
			ygci_Browser = key;
			break;
		}
	}
	//ie版本
	if (ygci_Browser=='IE'){
		for (key in ygci_ie){
			ygci_str = 'ygci_ua.match(/'+ygci_ie[key]+'/ig)'
			if (eval(ygci_str)){
				ygci_Browser +=key;
				break;
			}
		}
	}
	return 'ref='+ygci_Referrer+'&url='+ygci_Url+'&site='+ygci_Site+'&res='+ygci_Resolution+'&color='+ygci_Color+'&os='+ygci_OperaSystem+'&browser='+ygci_Browser;
}