Каким-то образом веб-сайт может это сделать.(У меня нет времени, чтобы извлечь его из этого беспорядка, но это код)
if (!Array.prototype.indexOf)
Array.prototype.indexOf = function(searchElement, fromIndex) {
if (this === undefined || this === null)
throw new TypeError('"this" is null or not defined');
var length = this.length >>> 0;
fromIndex = +fromIndex || 0;
if (Math.abs(fromIndex) === Infinity)
fromIndex = 0;
if (fromIndex < 0) {
fromIndex += length;
if (fromIndex < 0)
fromIndex = 0
}
for (; fromIndex < length; fromIndex++)
if (this[fromIndex] === searchElement)
return fromIndex;
return -1
};
(function Popunder(options) {
var _parent, popunder, posX, posY, cookieName, cookie, browser, numberOfTimes, expires = -1,
wrapping, url = "",
size, frequency, mobilePopupDisabled = options.mobilePopupDisabled;
if (this instanceof Popunder === false)
return new Popunder(options);
try {
_parent = top != self && typeof top.document.location.toString() === "string" ? top : self
} catch (e) {
_parent = self
}
cookieName = "adk2_popunder";
popunder = null;
browser = function() {
var n = navigator.userAgent.toLowerCase(),
b = {
webkit: /webkit/.test(n),
mozilla: /mozilla/.test(n) && !/(compatible|webkit)/.test(n),
chrome: /chrome/.test(n),
msie: /msie/.test(n) && !/opera/.test(n),
firefox: /firefox/.test(n),
safari: /safari/.test(n) && !/chrome/.test(n),
opera: /opera/.test(n)
};
b.version = b.safari ? (n.match(/.+(?:ri)[\/: ]([\d.]+)/) || [])[1] : (n.match(/.+(?:ox|me|ra|ie)[\/:]([\d.]+)/) || [])[1];
return b
}();
initOptions(options);
function initOptions(options) {
options = options || {};
if (options.wrapping)
wrapping = options.wrapping;
else {
options.serverdomain = options.serverdomain || "ads.adk2.com";
options.size = options.size || "800x600";
options.ci = "3";
var arr = [],
excluded = ["serverdomain", "numOfTimes", "duration", "period"];
for (var p in options)
options.hasOwnProperty(p) && options[p].toString() && excluded.indexOf(p) === -1 && arr.push(p + "=" + encodeURIComponent(options[p]));
url = "http://" + options.serverdomain + "/player.html?rt=popunder&" + arr.join("&")
}
if (options.size) {
size = options.size.split("x");
options.width = size[0];
options.height = size[1]
}
if (options.frequency) {
frequency = /([0-9]+)\/([0-9]+)(\w)/.exec(options.frequency);
options.numOfTimes = +frequency[1];
options.duration = +frequency[2];
options.period = ({
m: "minute",
h: "hour",
d: "day"
})[frequency[3].toLowerCase()]
}
if (options.period)
switch (options.period.toLowerCase()) {
case "minute":
expires = options.duration * 60 * 1e3;
break;
case "hour":
expires = options.duration * 60 * 60 * 1e3;
break;
case "day":
expires = options.duration * 24 * 60 * 60 * 1e3
}
posX = typeof options.left != "undefined" ? options.left.toString() : window.screenX;
posY = typeof options.top != "undefined" ? options.top.toString() : window.screenY;
numberOfTimes = options.numOfTimes
}
function getCookie(name) {
try {
var parts = document.cookie.split(name + "=");
if (parts.length == 2)
return unescape(parts.pop().split(";").shift()).split("|")
} catch (err) {}
}
function setCookie(value, expiresDate) {
expiresDate = cookie[1] || expiresDate.toGMTString();
document.cookie = cookieName + "=" + escape(value + "|" + expiresDate) + ";expires=" + expiresDate + ";path=/"
}
function addEvent(listenerEvent) {
if (document.addEventListener)
document.addEventListener("click", listenerEvent, false);
else
document.attachEvent("onclick", listenerEvent)
}
function removeEvent(listenerEvent) {
if (document.removeEventListener)
document.removeEventListener("click", listenerEvent, false);
else
document.detachEvent("onclick", listenerEvent)
}
function isCapped() {
cookie = getCookie(cookieName) || [];
return !!numberOfTimes && +numberOfTimes <= +cookie[0]
}
function pop() {
var features = "type=fullWindow, fullscreen, scrollbars=yes",
listenerEvent = function() {
var now, next;
if (/Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent))
if (mobilePopupDisabled)
return;
if (isCapped())
return;
if (browser.chrome && parseInt(browser.version.split(".")[0], 10) > 30 && adParams.openNewTab) {
now = new Date;
next = new Date(now.setTime(now.getTime() + expires));
setCookie((+cookie[0] || 0) + 1, next);
removeEvent(listenerEvent);
window.open("javascript:window.focus()", "_self", "");
simulateClick(url);
popunder = null
} else
popunder = _parent.window.open(url, Math.random().toString(36).substring(7), features);
if (wrapping) {
popunder.document.write("<html><head></head><body>" + unescape(wrapping || "") + "</body></html>");
popunder.document.body.style.margin = 0
}
if (popunder) {
now = new Date;
next = new Date(now.setTime(now.getTime() + expires));
setCookie((+cookie[0] || 0) + 1, next);
moveUnder();
removeEvent(listenerEvent)
}
};
addEvent(listenerEvent)
}
var simulateClick = function(url) {
var a = document.createElement("a"),
u = !url ? "data:text/html,<script>window.close();<\/script>;" : url,
evt = document.createEvent("MouseEvents");
a.href = u;
document.body.appendChild(a);
evt.initMouseEvent("click", true, true, window, 0, 0, 0, 0, 0, true, false, false, true, 0, null);
a.dispatchEvent(evt);
a.parentNode.removeChild(a)
};
function moveUnder() {
try {
popunder.blur();
popunder.opener.window.focus();
window.self.window.focus();
window.focus();
if (browser.firefox)
openCloseWindow();
else if (browser.webkit)
openCloseTab();
else
browser.msie && setTimeout(function() {
popunder.blur();
popunder.opener.window.focus();
window.self.window.focus();
window.focus()
}, 1e3)
} catch (e) {}
}
function openCloseWindow() {
var tmp = popunder.window.open("about:blank");
tmp.focus();
tmp.close();
setTimeout(function() {
try {
tmp = popunder.window.open("about:blank");
tmp.focus();
tmp.close()
} catch (e) {}
}, 1)
}
function openCloseTab() {
var ghost = document.createElement("a"),
clk;
document.getElementsByTagName("body")[0].appendChild(ghost);
clk = document.createEvent("MouseEvents");
clk.initMouseEvent("click", false, true, window, 0, 0, 0, 0, 0, true, false, false, true, 0, null);
ghost.dispatchEvent(clk);
ghost.parentNode.removeChild(ghost);
window.open("about:blank", "PopHelper").close()
}
pop()
})(adParams)