帮忙展开这个 js
(function(){var _d,_l,_b,_n="-",_params,_curDomain,_curUrl,_domainToSet,_refDomain,_refUrl,_image,_ver="3.0.2";if(typeof(_rep)=="undefined"){var _rep=1}function tcss(params){this.url=[];this.init(params)}tcss.prototype={init:function(params){params?_params=params:_params={};_d=document;if(!(_params.statIframe)){if(window!=top){try{_d=top.document}catch(e){}}}_l=_d.location;_b=_d.body},run:function(){var bt,et,ext;bt=new Date().getTime();_cookie.init();this.url.push(this.getDomainInfo());this.url.unshift("http://pingfore."+_domainToSet+"/pingd?");this.url.push(this.getRefInfo(_params));try{if(navigator.cookieEnabled){this.url.push("&pvid="+_cookie.setCookie("pgv_pvid",true))}else{this.url.push("&pvid=NoCookie")}}catch(e){this.url.push("&pvid=NoCookie")}this.url.push(this.getMainEnvInfo());this.url.push(this.getExtendEnvInfo());this.url.push("&vs="+_ver);if(_params.userDefineVariable){this.url.push(_udv.setv(_params.userDefineVariable))}else{this.url.push(_udv.setv())}_cookie.setCookie("ssid");_cookie.save();if(_params.originalReferer){this.url.push("&or="+_params.originalReferer)}et=new Date().getTime();_params.extParam?ext=_params.extParam+"|":ext="";this.url.push("&ext="+escape(ext+(et-bt)));this.url.push("&reserved1="+escape(_params.reserved1Param||""));this.url.push("&rand="+Math.round(Math.random()*100000));this.sendInfo(this.url.join(""));if(_params.hot){if(document.attachEvent){document.attachEvent("onclick",this.watchClick)}else{document.addEventListener("click",this.watchClick,false)}}if(_params.repeatApplay&&_params.repeatApplay=="true"){if(typeof(_rep)!="undefined"){_rep=1}}},getDomainInfo:function(hot){var dm,url;_curDomain=dm=_params.virtualDomain||_l.host;dm=_curDomain.toLowerCase();if(!_domainToSet){_domainToSet=this.getCookieSetDomain()}if(hot){var pl=dm.indexOf(":");if(pl>-1){dm=dm.substr(0,pl)+".hot"+dm.substr(pl)}else{dm+=".hot"}}url=this.getCurrentUrl();return("dm="+dm+"&url="+url)},getCurrentUrl:function(){var url="";var arg=_n;if(_params.virtualURL){url=_params.virtualURL}else{url=_curUrl=escape(_l.pathname);if(_l.search!=""){arg=escape(_l.search.substr(1))}if(_params.senseParam){var value=this.getParameter(_params.senseParam,_d.URL);if(value){url+="_"+value}}}return url+"&arg="+arg},getRefInfo:function(params){var refdm=_n,refurl=_n,refarg=_n,refStr=_d.referrer,tagParamName,adtag,pos;var virtualDomain=params.virtualDomain?params.virtualDomain:_n;var virtualURL=params.virtualURL?params.virtualURL:_n;_refDomain=params.virtualRefDomain?params.virtualRefDomain:"";_refUrl=params.virtualRefURL?params.virtualRefURL:"";if(params.statIframe||params.useCookie=="true"){refStr=_cookie.get("pgvReferrer");var newRef=_d.URL;var paraPos=newRef.indexOf("?");if(paraPos>-1){newRef=newRef.substr(0,paraPos)}_cookie.set("pgvReferrer",newRef)}else{if(params.useCookie=="set"&&_refDomain!=""&&_refUrl!=""){var newRef=(("https:"==_l.protocol)?"https://":"http://");newRef+=_refDomain+refUrl;_cookie.set("pgvReferrer",newRef)}else{if(params.useCookie=="set"&&(virtualDomain!=_n||virtualURL!=_n)){var newRef=(("https:"==_l.protocol)?"https://":"http://");newRef+=virtualDomain==_n?_curDomain:virtualDomain;newRef+=virtualURL==_n?_curUrl:virtualURL;_cookie.set("pgvReferrer",newRef)}else{if(params.useCookie=="get"){var oldRef=_cookie.get("pgvReferrer");if(oldRef!=""){refStr=oldRef}_cookie.set("pgvReferrer","")}else{_cookie.set("pgvReferrer","")}}}}tagParamName=params.tagParamName||"ADTAG";adtag=this.getParameter(tagParamName,_d.URL);if(adtag){refdm="ADTAG";refurl=adtag}pos=refStr.indexOf("://");if(pos>-1&&refdm==_n){var re=/(\w+):\/\/([^\:|\/]+)(\:\d*)?(.*\/)([^#|\?|\n]+)?(#.*)?(\?.*)?/i;var arr=refStr.match(re);if(arr){refdm=arr[2];refurl=arr[4]+arr[5]}}if(refStr.indexOf("?")!=-1){var pos=refStr.indexOf("?")+1;refarg=refStr.substr(pos)}if(_refDomain!=""&¶ms.useCookie=="false"){refdm=_refDomain}if(_refUrl!=""&¶ms.useCookie=="false"){refurl=_refUrl}_refDomain=refdm;_refUrl=escape(refurl);return("&rdm="+_refDomain+"&rurl="+_refUrl+"&rarg="+escape(refarg))},getMainEnvInfo:function(){var ret="";try{var scr=_n,scl=_n,lang=_n,cpuc=_n,pf=_n,tz=_n,java=0,n=navigator;if(self.screen){scr=screen.width+"x"+screen.height;scl=screen.colorDepth+"-bit"}if(n.language){lang=n.language.toLowerCase()}else{if(n.browserLanguage){lang=n.browserLanguage.toLowerCase()}}java=n.javaEnabled()?1:0;cpuc=n.cpuClass;pf=n.platform;tz=new Date().getTimezoneOffset()/60;ret="&scr="+scr+"&scl="+scl+"&lang="+lang+"&java="+java+"&cc="+cpuc+"&pf="+pf+"&tz="+tz}catch(e){}finally{return ret}},getExtendEnvInfo:function(){var ret="";try{var flash,currentUrl=_l.href,connectType=_n;ret+="&flash="+this.getFlashInfo();if(_b.addBehavior){_b.addBehavior("#default#homePage");if(_b.isHomePage(currentUrl)){ret+="&hp=Y"}}if(_b.addBehavior){_b.addBehavior("#default#clientCaps");connectType=_b.connectionType}ret+="&ct="+connectType}catch(e){}finally{return ret}},getFlashInfo:function(){var f=_n,n=navigator;try{if(n.plugins&&n.plugins.length){for(var i=0;i<n.plugins.length;i++){if(n.plugins[i].name.indexOf("Shockwave Flash")>-1){f=n.plugins[i].description.split("Shockwave Flash ")[1];break}}}else{if(window.ActiveXObject){for(var i=12;i>=5;i--){try{var fl=eval("new ActiveXObject('ShockwaveFlash.ShockwaveFlash."+i+"');");if(fl){f=i+".0";break}}catch(e){}}}}}catch(e){}return f},getParameter:function(name,src){if(name&&src){var r=new RegExp("(\\?|#|&)"+name+"=([^&^#]*)(#|&|$)");var m=src.match(r);return m?m[2]:""}return""},getCookieSetDomain:function(){var dotlen,pos,domainToSet,dot=[],j=0;for(var i=0;i<_curDomain.length;i++){if(_curDomain.charAt(i)=="."){dot[j]=i;j++}}dotlen=dot.length;pos=_curDomain.indexOf(".cn");if(pos>-1){dotlen--}domainToSet="(dotlen==1){domainToSet=_curDomain}else{if(dotlen>1){domainToSet=_curDomain.substring(dot[dotlen-2]+1)}}return domainToSet},watchClick:function(e){try{var istag=true,hottag="",srcElement;srcElement=e.target||window.event.srcElement;switch(srcElement.tagName){case"A":hottag="<A href="+srcElement.href+">"+srcElement.innerHTML+"</a>";break;case"IMG":hottag="<IMG src="+srcElement.src+">";break;case"INPUT":hottag="<INPUT type="+srcElement.type+" value="+srcElement.value+">";break;case"BUTTON":hottag="<BUTTON>"+srcElement.innerText+"</BUTTON>";break;case"SELECT":hottag="SELECT";break;default:istag=false;break}if(istag){var t=new tcss(_params);var pos=t.getElementPos(srcElement);if(_params.coordinateId){var coordinatePos=t.getElementPos(document.getElementById(_params.coordinateId));pos.x-=coordinatePos.x}t.url.push(t.getDomainInfo(true));t.url.push("&hottag="+escape(hottag));t.url.push("&hotx="+pos.x);t.url.push("&hoty="+pos.y);t.url.push("&rand="+Math.round(Math.random()*100000));t.url.unshift("http://pinghot."+_domainToSet+"/pingd?");t.sendInfo(t.url.join(""))}}catch(ex){}},getElementPos:function(el){if(el.parentNode===null||el.style.display=="none"){return false}var ua=navigator.userAgent.toLowerCase(),parent=null,pos=[],box;if(el.getBoundingClientRect){var scrollTop,scrollLeft,clientTop,clientLeft;box=el.getBoundingClientRect();scrollTop=Math.max(document.documentElement.scrollTop,document.body.scrollTop);scrollLeft=Math.max(document.documentElement.scrollLeft,document.body.scrollLeft);clientTop=document.body.clientTop;clientLeft=document.body.clientLeft;return{x:box.left+scrollLeft-clientLeft,y:box.top+scrollTop-clientTop}}else{if(document.getBoxObjectFor){box=document.getBoxObjectFor(el);var borderLeft=(el.style.borderLeftWidth)?Math.floor(el.style.borderLeftWidth):0;var borderTop=(el.style.borderTopWidth)?Math.floor(el.style.borderTopWidth):0;pos=[box.x-borderLeft,box.y-borderTop]}else{pos=[el.offsetLeft,el.offsetTop];parent=el.offsetParent;if(parent!=el){while(parent){pos[0]+=parent.offsetLeft;pos[1]+=parent.offsetTop;parent=parent.offsetParent}}if(ua.indexOf("opera")>-1||(ua.indexOf("safari")>-1&&el.style.position=="absolute")){pos[0]-=document.body.offsetLeft;pos[1]-=document.body.offsetTop}}}if(el.parentNode){parent=el.parentNode}else{parent=null}while(parent&&parent.tagName!="BODY"&&parent.tagName!="HTML"){pos[0]-=parent.scrollLeft;pos[1]-=parent.scrollTop;if(parent.parentNode){parent=parent.parentNode}else{parent=null}}return{x:pos[0],y:pos[1]}},sendClick:function(){if(_params.hottag){this.url.push(this.getDomainInfo(true));this.url.push("&hottag="+escape(_params.hottag));this.url.push("&hotx=9999&hoty=9999");this.url.push("&rand="+Math.round(Math.random()*100000));this.url.unshift("http://pinghot."+_domainToSet+"/pingd?");this.sendInfo(this.url.join(""))}},sendInfo:function(url){_image=new Image(1,1);_image.src=url}};var _udv={vscope:{page:3,session:2,user:1},setv:function(tuple){var params="";var val="";if(!tuple||!tuple.name||tuple.name==""||!tuple.value||tuple.value==""||!tuple.scope||tuple.scope<1||tuple.scope>3){val=_cookie.get("custvar=")==_n?_cookie.get("custvar=",true):_cookie.get("custvar=");params="&custvar="+val}else{var val=tuple.name+":"+tuple.value;switch(tuple.scope){case this.vscope.page:break;case this.vscope.session:_cookie.setCookie("custvar",false,val);break;case this.vscope.user:_cookie.setCookie("custvar",true,val);break}params="&custvar="+val}return params}};var _cookie={sck:[],sco:{},init:function(){var value=this.get("pgv_info=",true);if(value!=_n){var arr=value.split("&");for(var i=0;i<arr.length;i++){var arr2=arr[i].split("=");this.set(arr2[0],unescape(arr2[1]))}}},get:function(name,isend){var cookies=isend?_d.cookie:this.get("pgv_info=",true);var value=_n;var offset,end;offset=cookies.indexOf(name);if(offset>-1){offset+=name.length;end=cookies.indexOf(";",offset);if(end==-1){end=cookies.length}if(!isend){var end2=cookies.indexOf("&",offset);if(end2>-1){end=Math.min(end,end2)}}value=cookies.substring(offset,end)}return value},set:function(key,value){this.sco[key]=value;var isExist=false;var sckLen=this.sck.length;for(var i=0;i<sckLen;i++){if(key==this.sck[i]){isExist=true;break}}if(!isExist){this.sck.push(key)}},setCookie:function(name,isend,value){var id=_cookie.get(name+"=",isend);if(id==_n&&!value){isend?id="":id="s";var curDate=new Date();var curMs=curDate.getUTCMilliseconds();id+=(Math.round(Math.abs(Math.random()-1)*2147483647)*curMs)%10000000000}else{id=value?value:id}if(isend){this.saveCookie(name+"="+id,"expires=Sun, 18 Jan 2038 00:00:00 GMT;")}else{this.set(name,id)}return id},save:function(){if(_params.sessionSpan){var expires=new Date();expires.setTime(expires.getTime()+(_params.sessionSpan*60*1000))}var cookies="";var sckLen=this.sck.length;for(var i=0;i<sckLen;i++){cookies+=this.sck[i]+"="+this.sco[this.sck[i]]+"&"}cookies="pgv_info="+cookies.substr(0,cookies.length-1);var expire="";if(expires){expire="expires="+expires.toGMTString()}this.saveCookie(cookies,expire)},saveCookie:function(cookie,expires){_d.cookie=cookie+";path=/;domain="+_domainToSet+";"+expires}};window.pgvMain=function(param1,param2){var params="";if(param2){params=param2;_ver="o3.0.2"}else{params=param1;_ver="3.0.2"}try{if(_rep==1){_rep=2}else{return}new tcss(params).run()}catch(e){}};window.pgvSendClick=function(params){new tcss(params).sendClick()};window.pgvWatchClick=function(params){new tcss(params).watchClick()}})();这个 js 只有一行。请问 pgv_pvid 和 pgv_info 这两个值是怎么来的？
[ 本帖最后由 js_ 于 2011-4-15 23:45 编辑 ]
