Cookie exists?

http://stackoverflow.com/questions/5968196/check-cookie-if-cookie-exists

by JustJill54

JavaScript

function getCookie(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    }
    else
    {
        begin += 2;
        var end = document.cookie.indexOf(";", begin);
        if (end == -1) {
        end = dc.length;
        }
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

$(document).ready(function(){ 
    var myCookie = getCookie("MyCookie");

    if (myCookie == null) {
        // do cookie doesn't exist stuff;
    }
    else {
        // do cookie exists stuff
        alert("MyCookie");
    }
}

}