var rf;
 if (!document.referrer) {
     rf = '';
 }
 else {
     rf = document.referrer;
 }
 var url = window.location;
 var res = screen.width +'x'+ screen.height;
 var cookie = navigator.cookieEnabled;
 var appName = navigator.platform;
 var userAgent = navigator.userAgent;

var whichButton = function (e) {
	var e = e || window.event;
	if ('object' === typeof e) {
		sendPageData(e);
	}
}

 var sendPageData = function(e){
	 var xhr = new XMLHttpRequest();
	 xhr.withCredentials = true; //coockie
	 xhr.open("POST", 'https://andy.od.ua/events/index.php', true);
	 xhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	 xhr.onreadystatechange = function() {
		if(xhr.readyState == 4 && xhr.status == 200) {
			//alert(xhr.responseText);
		}
	 }
	 xhr.send("rf="+rf+"&res="+res+"&app="+appName+"&agent="+userAgent+"&url="+url+"&clienty="+e.clientY+"&clientx="+e.clientX+"&button="+e.button+"");
 }
 
document.body.addEventListener('click', whichButton, true);