getCookieByName.js

function getCookieByName(name){
    
    var cookies,
        cookie,
        endValue,
        value;

    cookies = document.cookie;
    
    cookies = cookies.split('; ' + name + '=');
    
    
    if(typeof cookies[1] != 'undefined'){
        cookie = cookies[1];
    }else{
        cookie = cookies[0];
    }
    
    endValue = cookie.indexOf(';');
    
    value = cookie.substr(0, endValue);
    
    return value;
}