ad.js

(function (window) {
    document._write = document.write;
    undefined = "undefined";
    var isie = false;
    if (navigator.appName == "Microsoft Internet Explorer") {
        isie = true;
        var onload = function (func, unique) {
            document._write('<script type="text/javascript" '
            + 'id="loading_ie_fallback'
            + unique
            + '" defer="defer" '
            + 'src="javascript:void(0)">'
            + '<\/script>');

            var cload = document.getElementById("loading_ie_fallback" + unique);
            cload.onreadystatechange = function () {
                if (this.readyState == "complete") {
                    func();
                }
            };
        };
    }
    var registr = {
        scriptcont: /<script.*?\/script>/gi,
        jsurl: /src\s*=\s*[\'\"]\s*http[s]*:\/\/.*\.js/gi,
        scripttags: /<[\/]*script[^>]*>/gi
    };
    var workmedcont = function workmedcont(medcont, target) {
        medcont = medcont.replace(/[\r\n\t]/g, "");
        var scripts = medcont.match(registr.scriptcont, "") || [],
            nodes = [];
        medcont = medcont.replace(/&#rn;/g, "\r\n");
        medcont = medcont.replace(/&#n;/g, "\n");
        medcont = medcont.replace(registr.scriptcont, "");

        for (iter = 0; iter < scripts.length; iter++) {

            var script = scripts[iter],
                opentag = script.match(/^<[^>]+/)[0],
                attributes = opentag.match(/[a-zA-Z]+\s*=\s*[\'\"][^\'\"]+/gi),
                pass = {};
            script = script.replace(/<\!--.*?\*\//, "");
            script = script.replace(/\/\*.*?\/-->/, "");
            if (attributes) {
                var set = [];
                for (_iter = 0; _iter < attributes.length; _iter++) {
                    var set = attributes[_iter].replace(/[\'\"\s]/g, '')
                        .split("=");
                    var attr_name = set.shift();
                    var attr_val = set.join("=");
                    pass[attr_name] = attr_val;
                }
            }
            nodes[nodes.length] = [document.createElement("script"), false];

            for (var attr in pass) {
                nodes[nodes.length - 1][0][attr] = pass[attr];
            }

            if (!pass["src"]) {
                script = script.replace(registr.scripttags, "");
                nodes[nodes.length] = [script, true];
            }
        }
        target.innerHTML = target.innerHTML + medcont;

        document.write = function (append) {
            workmedcont(append, target);
        }

        for (iter = 0; iter < nodes.length; iter++) {
            if (nodes[iter][1]) {
                try {
                    window.eval(nodes[iter][0]);
                }
                catch (e) {
                }
            } else {
                target.appendChild(nodes[iter][0]);
            }
        }
    }

    var create = function () {

        var adcount = 0;

        return function (madservevariables) {

            adcount++;
            var id = 'global_ad_id' + adcount;

            if (!madservevariables.s) return;

            var src = madservevariables.requesturl;
            if (typeof madservevariables.service != "undefined") {
                src = madservevariables.service;
            }

            var cgi = ['p=' + escape(document.location),
                'random=' + Math.random(),
                'rt=javascript',
                'v=js_10',
                'jsvar=' + id,
                'u=' + navigator.userAgent];

            for (var setting in madservevariables) {
                var cgivar = setting + '=' + escape(madservevariables[setting]);
                cgi[cgi.length] = cgivar;
            }
            src += "?" + cgi.join('&');

            document._write("<div id='" + id + "'></div>");
            var container = document.getElementById(id),
                varscall = document.createElement("script");

            if (madservevariables.backfillhtml) {
                container.innerHTML = "<div id= 'm_dcontent"
                + id + "' "
                + "style='display:none'>"
                + madservevariables.backfillhtml
                + "</div>";
            }

            varscall.type = "text/javascript";
            var varsloaded = function () {


                if (isie) {
                    container = document.getElementById(id);
                }

                var ads = window[id];

                for (iter = 0; iter < ads.length; ++iter) {

                    var ad = ads[iter];
                    if (!madservevariables.target) {
                        madservevariables.target = '';
                    }

                    if (ad.error) {
                        if (madservevariables.backfillhtml && madservevariables.reveal) {
                            container.innerHTML = ad.error;
                        }
                        continue;
                    }

                    if (ad.img) {
                        var width = (madservevariables.img_width ? madservevariables.img_width : ''),
                            height = (madservevariables.img_height ? madservevariables.img_height : ''),
                            tag = "<a href='"
                                + ad.url
                                + "' target='" + madservevariables.target + "'>"
                                + "<img src='" + ad.img + "'";

                        if (madservevariables.img_width) {
                            tag += " width='" + width + "'";
                        }
                        if (madservevariables.img_height) {
                            tag += " height='" + height + "'";
                        }

                        tag += "/></a>";

                        container.innerHTML = tag;
                    } else if (ad.content) {
                        container.innerHTML = '';
                        workmedcont(ad.content, container);
                    } else {
                        var tag = "<a href='" + ad.url + "' "
                            + "target='" + madservevariables.target + "'>"
                            + ad.text
                            + "</a>";

                        container.innerHTML = tag;
                    }

                    var track = new Image();
                    track.src = ad.track;
                }

                if (dcont = document.getElementById("m_dcontent" + id)) {
                    dcont.style.display = "block";
                }

                if (madservevariables.prependclickcontent) {
                    var links = container.getElementsByTagName("a");
                    for (iter = 0; iter < links.length; ++iter) {
                        var link = links[iter],
                            original = link.href;
                        link.href = madservevariables.prependclickcontent + original;
                    }
                }

                if (madservevariables.trackingpixelurl) {
                    var cachebust = Math.random(),
                        join = (madservevariables.trackingpixelurl.indexOf('?') ? '&' : '?'),
                        img = new Image();

                    img.src = madservevariables.trackingpixelurl + join + cachebust;
                }
                if (!isie) delete this;
            };

            if (!isie) {
                varscall.onload = varsloaded;
            } else {
                varscall.onreadystatechange = function () {
                    if (this.readyState != 'complete'
                        && this.readyState != 'loaded') return;

                    varsloaded();
                    this.onreadystatechange = null;
                }
            }
            varscall.src = src;
            if (!isie) {
                window.addEventListener(
                    "DOMContentLoaded",
                    function () {
                        container.appendChild(varscall);
                    },
                    true
                );
            } else {
                onload(function () {
                    document.getElementById(id).appendChild(varscall);
                }, id);
            }
            if (!isie) delete this;
        };
    };
    if (!window.RequestAd_) {
        window.RequestAd_ = create();
    }
})(window);