(function(funcName, baseObj) {
    funcName = funcName || "docReady";
    baseObj = baseObj || window;
    var readyList = [];
    var readyFired = false;
    var readyEventHandlersInstalled = false;
    function ready() {
        if (!readyFired) {
            readyFired = true;
            for (var i = 0; i < readyList.length; i++) {
                readyList[i].fn.call(window, readyList[i].ctx);
            }
            readyList = [];
        }
    }
    function readyStateChange() {
        if ( document.readyState === "complete" ) {
            ready();
        }
    }
    baseObj[funcName] = function(callback, context) {
        if (typeof callback !== "function") {
            throw new TypeError("callback for docReady(fn) must be a function");
        }
        if (readyFired) {
            setTimeout(function() { callback(context); }, 1);
            return;
        } else {
            readyList.push({fn: callback, ctx: context});
        }
        if (document.readyState === "complete") {
            setTimeout(ready, 1);
        } else if (!readyEventHandlersInstalled) {
            if (document.addEventListener) {
                document.addEventListener("DOMContentLoaded", ready, false);
                window.addEventListener("load", ready, false);
            } else {
                document.attachEvent("onreadystatechange", readyStateChange);
                window.attachEvent("onload", ready);
            }
            readyEventHandlersInstalled = true;
        }
    }
})("docReady", window);
docReady(function() {
    var uniqueID = 'ej_widget';
    o=document.getElementById(uniqueID);
    if(o) {
        var code = '{\"passback\":0,\"code\":\"\"}', output = JSON.parse(code);
        if ((!output.code || 0 === output.length) && !output.passback) {
            o.style.display='none';
        }
        else {
            if (output.passback && (!output.width || 0 === output.width.length)) {
                var pbs = document.createElement("script");
                pbs.src = "https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js";
                pbs.onload = function() {
                    (adsbygoogle=window.adsbygoogle || []).push({ });
                };
                document.getElementsByTagName("head")[0].appendChild(pbs);
                o.innerHTML = output.code;
            }
            else {
                var iframeID = 'ejw_ifwc_' + uniqueID;
                function resizeIframe(iframe) {
                    obj = document.getElementById(iframe);
                    obj.style.height = "";
                    obj.style.height = obj.contentWindow.document.body.scrollHeight + 'px';
                    initPagination();
                    initCitiesSelect();
                    initFormSubmit();
                }
                function refrashContent (page) {
                    obj = document.getElementById(iframeID);

                    var form = obj.contentWindow.document.getElementById("widget-search-form");
                    var xhttp = new XMLHttpRequest();
                    xhttp.open("POST", form.action, true);
                    xhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
                    xhttp.onload = function () {
                        if (this.readyState === this.DONE && this.status === 200) {
                            var response = JSON.parse(this.responseText);
                            obj.contentWindow.document.getElementById("results").innerHTML = response.code;
                            resizeIframe(iframeID);
                        }
                    };
                    var keyword = '', location = 0, url = 'uniqueid='+ obj.contentWindow.document.getElementById("uniqueid").value;
                    if (null !== obj.contentWindow.document.getElementById("keyword") && 'undefined' !== typeof obj.contentWindow.document.getElementById("keyword").value) {
                        keyword = obj.contentWindow.document.getElementById("keyword").value;
                    }
                    if (null !== obj.contentWindow.document.getElementById("location") && 'undefined' !== typeof obj.contentWindow.document.getElementById("location").value) {
                        location = obj.contentWindow.document.getElementById("location").value;
                    }
                    if (2 <= keyword.length) {
                        url += '&q='+ keyword;
                    }
                    if (0 < parseInt(location)) {
                        url += '&location='+ location;
                    }
                    if (0 < page) {
                        url += "&page="+ page;
                    }
                    xhttp.send(url);
                }
                function refrashContentOnPageChange (e) {
                    if (e) { e.preventDefault(); }
                    var page = this.getAttribute("data-page");
                    refrashContent(page);
                    return false;
                }
                function refrashContentOnLocationChange (e) {
                    if (e) { e.preventDefault(); }
                    refrashContent(0);
                    return false;
                }
                function refrashContentOnSubmit (e) {
                    if (e) { e.preventDefault(); }
                    obj = document.getElementById(iframeID);
                    var keyword = obj.contentWindow.document.getElementById("keyword").value;
                    if (0 === keyword.length || 2 <= keyword.length) {
                        refrashContent(0);
                    }
                    return false;
                }
                function initPagination () {
                    obj = document.getElementById(iframeID);
                    // Init pagination if in order
                    var pager = obj.contentWindow.document.getElementById("pagination");
                    if (pager) {
                        var etc_link = pager.querySelector('a[name="etc"]');
                        var pages = pager.getElementsByTagName("li");
                        for (var i=0; i < pages.length; i++) {
                            if (!pages[i].contains(etc_link)) {
                                pages[i].addEventListener("click", refrashContentOnPageChange);
                            }
                        }
                    }
                }
                function initCitiesSelect () {
                    obj = document.getElementById(iframeID);
                    var select = obj.contentWindow.document.getElementById("location");
                    if (select) {
                        select.addEventListener("click", refrashContentOnLocationChange);
                    }
                }
                function initFormSubmit () {
                    obj = document.getElementById(iframeID);
                    var form = obj.contentWindow.document.getElementById("widget-search-form");
                    if (form) {
                        form.addEventListener("submit", refrashContentOnSubmit);
                    }
                }
                function initSubmitButton () {
                    obj = document.getElementById(iframeID);
                    var button = obj.contentWindow.document.getElementById("submit-button");
                    if (button) {
                        button.addEventListener("submit", refrashContentOnSubmit);
                    }
                }
                var f = document.createElement('iframe');
                f.width = output.width;;
                f.id = iframeID;
                f.src = 'about:blank';
                f.frameBorder = '0';
                f.scrolling = 'no';
                o.appendChild(f);
                f.onload = function(){
                    resizeIframe(iframeID);
                }
                f.contentWindow.document.write(output.code);
                f.contentWindow.document.close();
            }
        }
    }
});