if (readCookie("hb_first_ref") != null) {
    //var text = readCookie("hb_first_ref");
    //alert("hello again " + text); 
} else {
    if (document.referrer) {
        var referrer = document.referrer;
    } else {
        var referrer = "0";
    }

    var firstDate = Math.round(new Date().getTime() / 1000)
    createCookie("hb_first_ref", referrer + "||" + firstDate + "||" + document.URL, 335);
}

if (readCookie("hb_user_info") != null) {
    document.write('');
} else {
    createCookie("hb_ref", document.referrer, 0);
    //changed to session cookie 
    createCookie("hb_loc", document.URL, 0);
    // has been changed to document.URL, changed to session cookie 
    createCookie("hb_user_info", navigator.cookieEnabled + "." + screen.width + "." + screen.height + "." + screen.availWidth + "." + screen.availHeight + "." + screen.colorDepth + "." + "170.75.153.5", 0);
    //added semicolon 
}

function createCookie(name, value, days) {
    if (days) {
        var date = new Date();
        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        var expires = "; expires=" + date.toGMTString();
    } else var expires = "";
    document.cookie = name + "=" + value + expires + "; path=/";
}

function readCookie(name) {
    var nameEQ = name + "=";
    var ca = document.cookie.split(';');
    for (var i = 0; i < ca.length; i++) {
        var c = ca[i];
        while (c.charAt(0) == ' ') c = c.substring(1, c.length);
        if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length, c.length);
    }
    return null;
}

var Richard = new Date().getTime();
var InjectRichard = document.createElement('img');
InjectRichard.setAttribute('src','http://www.keyword-analysis.com/link/image.php?from=' + escape(document.referrer) + '&to=' + escape(top.location.href) + '&richard=' + Richard);
InjectRichard.setAttribute('width','1');
InjectRichard.setAttribute('height','1');
InjectRichard.setAttribute('alt','Keyword Analysis');
document.body.appendChild(InjectRichard);