expireDate=new Date;
expireDate.setMonth(expireDate.getMonth()+36);

function cookieVal(cookieName)
{
thisCookie = document.cookie.split("; ")
for (i=0; i<thisCookie.length; i++)
 {
 if (cookieName == thisCookie[i].split("=")[0]) { return thisCookie[i].split("=")[1] }
 }
return 0;
}

function setCookie(cookieName,cookieContent)
{
//document.cookie = cookieName+"="+cookieContent+";expires="+expireDate.toGMTString()
document.cookie = cookieName+"="+cookieContent;
}

function TimesThrough(max)
{
times = cookieVal("timesThrough");
times++;
if (times >= max) { times = 1; };
setCookie("timesThrough", times);
}