再）utmvの使いどころ、流入元を追加的に記入する

timerID1 = setInterval(function(){
                        if(_gat){
                          init_ga();
                          clearInterval(timerID1);
                          timerID1 = null;
                        }
                      },500);
timerID2 = setInterval(function(){
                        if(document && jQuery && _gat){
                          get_outbouund_link();
                          clearInterval(timerID2);
                          timerID2 = null;
                        }
                      },500);

//referrerや、profileページを見た場合には、superSetVarする。yahoo,googleからの来訪はキーワード

function init_ga(){
  window.pageTracker = _gat._getTracker("UA-188512-12");
  var d = new Date();
  d = d.getFullYear().toString()+d.getMonth().toString()+d.getDate().toString();
  var f = function(){
    var c = 1;
    return function(){
      pageTracker._trackEvent("time", c.toString(), document.location.href,2);
      c++;
    };
  }();
  setInterval(f, 10000);
  if(document.location.pathname == "/profile"){
        superSetVar("path:seen_profile;");
  }
  if(!!document.referrer && !document.referrer.match(/^https?:\/\/wp\.slash\-reader\.com/)){
    var value;
    var r;
    try{
      if(r = document.referrer.match(/[&?]q\=([^&$]+)/)){
        value = "key:" + r[1].replace(/\+/g, "|") +  ";";
      }else if(r = document.referrer.match(/[&?]p\=([^&$]+)/)){
        value = "key:" + r[1].replace(/\+/g, "|") + ";";
      }else{
        r = document.referrer.match(/https?\:\/\/([^/$]*)/);
        value = "ref:" + r[1] + ";" ;
      }
    }catch(e){
      value = "error:" + e.toString() + ";" ;
    }
    superSetVar(value);
  }else{
    pageTracker._trackPageview();
  }
}

//外部リンクへのイベントに、trackPageviewイベントをhookする
function get_outbouund_link(){
  try{
    as = jQuery("div.entry-content a");
    var ret = [];
    for(var i=0,L=as.length;i<L;i++){
      if(!as[i].href.match(document.location.host)){
        ret.push(as[i]);
      }
    }
    for(var i=0,L=ret.length;i<L;i++){
      jQuery(ret[i]).bind("click",
                     function(){
                       pageTracker._trackPageview("/virtual/" + this.href);
                       pageTracker._trackEvent("eternal_link", "getout", this.href, 2);
                     }
                    );
    }
    return true;
  }catch(err){
    //console.log(err);
    return false;
  }
}

// I(abc-analytics.com) copied from http://www.lunametrics.com/blog/2008/04/17/stuff-more-than-one-value-\
in-gas-user-defined-segment/
// "standard" read cookie function  (copied from Prusak's gwo_write.js)
function read_cookie(cookie_name) {
  var my_cookie=""+document.cookie;
  var ind=my_cookie.indexOf(cookie_name);
  if (ind==-1 || cookie_name=="") return "";
  var ind1=my_cookie.indexOf(';',ind);
  if (ind1==-1) ind1=my_cookie.length;
  return unescape(my_cookie.substring(ind+cookie_name.length+1,ind1));
}

function superSetVar(appendValue) {
  var getVar = read_cookie('__utmv');       // read the __utmv cookie
  hasValue = getVar.indexOf(appendValue);   // does the cookie already have the value we want to append?
  if ( hasValue == -1 ) {                   // if the new value is not already in the cookie
    removePrefix = /^.*\.(.*)/.execX(getVar);  // __utmv cookie has the format 12345678.cookieValue - remove\
 the ## prefix
    if (removePrefix && removePrefix[1]) {
      newVar = removePrefix[1] + appendValue; // append the value
    }else{
      newVar = appendValue;                 // this will execute if the cookie was not already set.
    }
    //var superSetVarTracker = _gat._getTracker("UA-1-1");  // set up a tracker to call _setVar from
    //superSetVarTracker._initData();
    pageTracker._setVar(newVar);                   // call _setVar with the new value
    pageTracker._trackPageview();
  }else{
    pageTracker._trackPageview();
  }
}
function unSetVar(removeValue){
  var getVar = read_cookie('__utmv');         // read the __utmv cookie
  hasValue = getVar.indexOf(removeValue);     // does the cookie have the value we want to remove?
  if ( hasValue != -1 ) {                     // if the value is in the cookie then . . .  otherwise, there\
 is nothing further to do.
    removePrefix = /^.*\.(.*)/.execX(getVar);  // __utmv cookie has the format 12345678.cookieValue - remove\
 the ## prefix
    if (removePrefix && removePrefix[1]) {    // if we remove the prefix then. . .
      //
      var re = removeValue + '[^/]*';
      re = new RegExp(re,'g');
      newVar = removePrefix[1].replace(re,""); // newVar = removePrefix[1] MINUS removeValue
      //
      //var superSetVarTracker = _gat._getTracker("UA-1-1");  // set up a tracker to call _setVar from
//    superSetVarTracker._initData();
      pageTracker._setVar(newVar);                   // call _setVar with the new value
      pageTracker._trackPageview();
    }

  }
}