if ( document.location.hostname.indexOf("medianet.com") != -1 ) 
{
    var hn = document.location.hostname.split(".");
    if (hn.length < 3) {
        hn[0] = "TRADEONEMKTG";
    }
    else {
        hn[1] = "TRADEONEMKTG";
    }
    window.location = "http://" + hn.join(".") + "/medianet-index.html";
}