/*----------------code for Nielsen--------------------*/	var nn_undefined;function nn_isNull(object) {  return nn_undefined == object || object == null;}var nn_domainSuffixes = [ "com", "net", "org", "biz", "info", "gov", "edu", "mil" ];function nn_arrayContains(nn_array, nn_token) {  for (var nn_i = 0; nn_i < nn_array.length; nn_i++) {    if (nn_array[nn_i] == nn_token) {      return true;    }  }  return false;}function nn_removePort(nn_domain) {  var nn_colonIndex = nn_domain.lastIndexOf(':');  if (nn_colonIndex > 0) {    return  nn_domain.substring(0, nn_colonIndex);  }  return nn_domain;}function nn_getMinimumDomain(nn_domain) {  if (nn_isNull(nn_domain)) {    return null;  }  nn_domain = nn_domain.toLowerCase();  nn_domain = nn_removePort(nn_domain);  var nn_index = nn_domain.length;  while (3 < nn_index && nn_domain.charAt(nn_index - 3) == '.') {    nn_index -= 3;  }  var nn_previousIndex = nn_index;  nn_index = nn_domain.lastIndexOf('.', nn_index - 1);  var nn_token = nn_domain.substring(nn_index + 1, nn_previousIndex);  if (nn_arrayContains(nn_domainSuffixes, nn_token) && nn_index > 0) {    nn_previousIndex = nn_index;    nn_index = nn_domain.lastIndexOf('.', nn_index - 1);  }  if (nn_index == -1 || nn_domain.charAt(nn_index) == '.') {    nn_index ++;  }  if (nn_index == nn_previousIndex) {    return "." + nn_domain;  }  return "." + nn_domain.substring(nn_index);}var nn_THREE_YEARS_IN_MILLIS = (1000 * 60 * 60 * 24 * 365 * 3);/* public */ function nn_Cookie(name) {  /* public */  this.setCookie = nn_Cookie_setCookie;  this.getCookie = nn_Cookie_getCookie;  this.expireCookie = nn_Cookie_expireCookie;  /* private */  this.m_name = name;}/* private */ function nn_Cookie_getExpirationDate(expireDate) {  if (!nn_isNull(expireDate)) {    return expireDate;  } else {    return new Date(new Date().getTime() + nn_THREE_YEARS_IN_MILLIS);  }}/* private */ function nn_Cookie_getExpirationDateAsString(expireDate) {  return nn_Cookie_getExpirationDate(expireDate).toGMTString();}function nn_Cookie_createCookieDescriptionWithoutDomain(name, value, expireDate) {  var cookieDescription = name + "=" + escape(value);  cookieDescription += "; path=/";  cookieDescription += "; expires=" + nn_Cookie_getExpirationDateAsString(expireDate);  return cookieDescription;}function nn_Cookie_createCookieDescription(name, value, expireDate, domain) {  var cookieDescription = nn_Cookie_createCookieDescriptionWithoutDomain(name, value, expireDate);  if (nn_isNull(domain) && document.domain) {    domain = document.domain;  }  if (!nn_isNull(domain)) {    cookieDescription += "; domain=" + escape(nn_getMinimumDomain(domain));  }  return cookieDescription;}/* public */ function nn_Cookie_setCookie(name, value, expireDate, domain) {  nn_Cookie_expireCookie(name);  document.cookie = nn_Cookie_createCookieDescription(name, value, expireDate, domain);  if (nn_isNull(nn_Cookie_getCookie(name))) {    document.cookie = nn_Cookie_createCookieDescriptionWithoutDomain(name, value, expireDate);  }}/* private */ function nn_Cookie_getCookie(name) {  var key = name + "=";  var startOfCookie = document.cookie.indexOf("; " + key);  if (-1 != startOfCookie) {    startOfCookie += 2;  } else if (0 == document.cookie.indexOf(key)) {    startOfCookie = 0;  } else {    return null;  }  var endOfCookie = document.cookie.indexOf(";", startOfCookie);  if (endOfCookie == -1) {    endOfCookie = document.cookie.length;  }  var value = document.cookie.substring(startOfCookie + key.length, endOfCookie);  value = unescape(value);  return (value != "") ? value : null;}/* public */ function nn_Cookie_expireCookie(name, domain) {  var expiredTime = new Date(new Date().getTime() - 1000*60*60);  document.cookie = nn_Cookie_createCookieDescription(name, "", expiredTime, domain);  if (!nn_isNull(nn_Cookie_getCookie(name))) {    document.cookie = nn_Cookie_createCookieDescriptionWithoutDomain(name, "", expiredTime);  }}var nn_DATE_THROTTLE_COOKIE_NAME = "nnselect";var nn_ONE_DAY_IN_MILLIS = 1000 * 60 * 60 * 24;function nn_DateThrottle() {  // public  this.shouldThrottle = nn_DateThrottle_shouldThrottle;  // private  this.getOrCreate = nn_DateThrottle_getOrCreate;  this.getCookie = nn_DateThrottle_getCookie;  this.createCookie = nn_DateThrottle_createCookie;  this.updateCookie = nn_DateThrottle_updateCookie;  this.createCookieValue = nn_DateThrottle_createCookieValue;  this.m_cookieName = nn_DATE_THROTTLE_COOKIE_NAME;}/* public */ function nn_DateThrottle_shouldThrottle() {  var cookieValue = parseInt(this.getOrCreate());  var now = new Date().getTime();  var dateToStartSurvey = cookieValue + (nn_ONE_DAY_IN_MILLIS * 7);  return (now < dateToStartSurvey);}/* private */ function nn_DateThrottle_getOrCreate() {  var cookie = this.getCookie();  if (nn_isNull(cookie)) {    cookie = this.createCookie();   }  return cookie;}/* private */ function nn_DateThrottle_getCookie() {  return nn_Cookie_getCookie(this.m_cookieName);}/* private */ function nn_DateThrottle_createCookie() {  var now = new Date();  var offset = nn_ONE_DAY_IN_MILLIS * -8;  var cookieValue = this.createCookieValue(now, offset);  nn_Cookie_setCookie(this.m_cookieName, cookieValue);  return cookieValue;}/* private */ function nn_DateThrottle_updateCookie() {  var now = new Date();  var cookieValue = this.createCookieValue(now, 0);  nn_Cookie_expireCookie(this.m_cookieName);  nn_Cookie_setCookie(this.m_cookieName, cookieValue);  return cookieValue;}/* private */ function nn_DateThrottle_createCookieValue(date, offset) {  var cookieValue = date.getTime() + offset;  return cookieValue.toString();}function nn_write_document(str) {  document.write(str);}function nn_survey(visitorid) {  var nn_dateThrottle = new nn_DateThrottle();  if ((visitorid % 64 == 0) && !nn_dateThrottle.shouldThrottle()) {    nn_dateThrottle.updateCookie();    nn_write_document("<iframe src='http://survey.nnselect.com/survey/confirm_panelist_119.html' name='nn_frame' height='0' width='0' scrolling='no' frameborder='0' marginWidth='0' marginHeight='0'></iframe>");  }}function nn_build_ping_url(filename) {  var nn_now = new Date();  var nn_title;  if (!window.encodeURI) {    nn_title = escape(document.title);  } else {    nn_title = window.encodeURI(document.title);  }  var nn_imageUrl =    "http://ping.nnselect.com/" + filename +    "?d=" + nn_now.getTime() +    "&c=119" +    "&u=" + escape(document.URL) +    "&t=" + nn_title;  return nn_imageUrl;}function nn_send_ping(url) {  if (document.images) {    var nn_image = new Image();    nn_image.src = url;  } else {    nn_write_document("<img src='" + url + "' height='1' width='1'>");  }}function nn_simple_ping() {  nn_send_ping(nn_build_ping_url("ping.gif"));}function nn_ping_and_set_local_cookie() {  nn_write_document("<scr" + "ipt language='javascript' src='" + nn_build_ping_url("sping.js") + "'></scr" + "ipt>");}function nn_set_visitor_cookie(cookieValue) {  nn_Cookie_setCookie("nn_V", cookieValue);  nn_survey(cookieValue);}function nn_survey_main() {  var nn_cookieValue = nn_Cookie_getCookie("nn_V");  if (!nn_isNull(nn_cookieValue)) {    if ((nn_cookieValue % 64) == 0) {      nn_simple_ping();      nn_survey(nn_cookieValue);    }  } else {    nn_ping_and_set_local_cookie();  }}nn_survey_main();/*----------------code for Nielsen--------------------*/ /*----------------code for Sohu.com--------------------*/var	COOKIESPAN = 1000*86400*365*5;var	cv = new Date().getTime();var	ckexp;var	name="scid";var     bgn = document.cookie.indexOf("; " + name+"=");  if ((bgn==-1)&&(0 != document.cookie.indexOf(name+"=")))  {        var cvstr=escape(cv*1000+Math.round(Math.random()*1000));	ckexp=new Date( cv + COOKIESPAN );  		if (document.URL.indexOf(".sohu.com/") > 0)		{	  	  var ckstr=name+"="+cvstr+"; path=/; expires="+ckexp.toGMTString()+"; domain=sohu.com";		      document.cookie=ckstr;		      window.open('http://js.chinaren.com/scid.htm?'+cvstr,'scid', 'width=1,height=1,left=1000,top=1000'); 		}		else if (document.URL.indexOf(".chinaren.com/") > 0)		{  		  var ckstr=name+"="+cvstr+"; path=/; expires="+ckexp.toGMTString()+"; domain=chinaren.com";		      document.cookie=ckstr;		      window.open('http://js.sohu.com/scid.htm?'+cvstr,'scid', 'width=1,height=1,left=1000,top=1000'); 		}  }  else  {		var	imageUrl;  		if (document.URL.indexOf(".chinaren.com/") > 0)		{			imageUrl ="http://pv.chinaren.com/pv.gif" +"?t?=" + cv +"?r?="+document.referrer;		}		else		{			if ( 2 == Math.round(Math.random()* 10))			{				imageUrl ="http://"+document.cookie.substr(bgn+11,5)+escape(new Date().getTime()).substr(7,6)+".dom.sohu.com/pv.gif";			}			else			{	imageUrl ="http://pv.sohu.com/pv.gif" +"?t?=" + cv +"?r?="+document.referrer;			}		}		if (document.images) {  		var image = new Image();  		image.src = imageUrl;		} 		else {  		document.write("<img src='" + imageUrl + "' height='1' width='1'>");		}  }  //add by Chenye to set cookie SUV   var domainstr;    if ((document.cookie == "")||(document.cookie.indexOf("SUV=")<0))  {        if (document.URL.indexOf(".sohu.com/") > 0)	{		domainstr="sohu.com";	}	else if(document.URL.indexOf(".chinaren.com/") > 0)	{		domainstr="chinaren.com";	}	else if(document.URL.indexOf(".sohu.net/") > 0)	{		domainstr="sohu.net";	}	else if(document.URL.indexOf(".17173.com/") > 0)	{		domainstr="17173.com";	}	else if(document.URL.indexOf(".focus.cn/") > 0)	{		domainstr="focus.cn";	}	else	{		domainstr="sohu.com";	}		document.write("<scr" + "ipt language='javascript' src='http://pv.sohu.com/suv/" + domainstr + "'></scr" + "ipt>");  }/*----------------code for Sohu.com--------------------*/