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 = /^.*\.(.*)/.exec(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-4663814-1"); // set up a tracker to call _setVar from
superSetVarTracker._initData();
superSetVarTracker._setVar(newVar); // call _setVar with the new value
}
}
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 = /^.*\.(.*)/.exec(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-4663814-1"); // set up a tracker to call _setVar from
superSetVarTracker._initData();
superSetVarTracker._setVar(newVar); // call _setVar with the new value
}
}
}