var MainSite = "http://www.xxyuan.com/";var MemberSite = "http://member2.xxyuan.com/";var StaticSite = "http://static.xxyuan.com/";var SearchSite = "http://search.xxyuan.com/";var PartySite = "http://party.xxyuan.com/";var CompanySite = "http://company.xxyuan.com/";
var sUsrAgent=navigator.userAgent;
var isIE=sUsrAgent.indexOf("MSIE")!=-1;
var isIE6=isIE&&sUsrAgent.indexOf("MSIE 6.0")!=-1;
var isIE7=isIE&&sUsrAgent.indexOf("MSIE 7.0")!=-1;
var isFF=sUsrAgent.indexOf("Firefox")!=-1;
var isOP=sUsrAgent.indexOf("Opera")!=-1;
var isSF=sUsrAgent.indexOf("Safari")!=-1
         &&sUsrAgent.indexOf("Chrome")==-1;
var isCH=sUsrAgent.indexOf("Chrome")!=-1;