function getCookieVal(offset) {
    var endstr=document.cookie.indexOf (";", offset);
    if (endstr==-1)
              endstr=document.cookie.length;
    return unescape(document.cookie.substring(offset, endstr));
    }
    
function getCookie (name) {
    var arg=name+"=";
    var alen=arg.length;
    var clen=document.cookie.length;
    var i=0;
    while (i<clen) {
        var j=i+alen;
        if (document.cookie.substring(i, j)==arg)
                        return getCookieVal (j);
                i=document.cookie.indexOf(" ",i)+1;
                        if (i==0) break;}
    return "";
    }
    
function setCookie (name, value) {
    var argv=setCookie.arguments;
    var argc=setCookie.arguments.length;
    var expires=(argc > 2) ? argv[2] : null;
    var path=(argc > 3) ? argv[3] : null;
    var domain=(argc > 4) ? argv[4] : null;
    var secure=(argc > 5) ? argv[5] : false;
    document.cookie=name+"="+escape(value)+
        ((expires==null) ? "" : ("; expires="+expires.toGMTString()))+
        ((path==null) ? "" : ("; path="+path))+
        ((domain==null) ? "" : ("; domain="+domain))+
        ((secure==true) ? "; secure" : "");
    }
    
function deleteCookie (name) {
    var exp=new Date();
    exp.setTime (exp.getTime() - 100000);
    var cval=getCookie (name);
    document.cookie=name+"="+cval+"; expires="+exp.toGMTString();
    }
    
function storeVenue() {
    var pathname=location.pathname;
    var myDomain=pathname.substring(0,pathname.lastIndexOf('/')) +'/';
    var date_exp = new Date();
    // cookie should be set 96 hours (4 days)
    date_exp.setTime(date_exp.getTime()+(96*3600*1000));
    setCookie("venue","venue",date_exp,myDomain);
    }

function getVenue() {
    return getCookie("venue");
    }