var ad_url = 'http://mediakora.com/';

function Check(){
	return document.getElementById("AdvDiv").innerHTML;
}

function attachEventListener(target, eventType, functionRef) {
	if (typeof target.addEventListener != 'undefined') {
		target.addEventListener(eventType, functionRef, false);
	} else if (typeof target.attachEvent != 'undefined') {
		target.attachEvent('on' + eventType, functionRef);
	}
	return true;
}

function maybeCreatePopup(){
	if(Check() == 0){

		var width = screen.availWidth;
		var height = screen.availHeight;
		popupnewwindow = window.open(ad_url, 'popme', 'width=' + width + ', height=' + height + ', location=yes, menubar=yes, status=yes, toolbar=yes, scrollbars=yes, resizable=yes, left=0, top=0');
		if (!popupnewwindow || popupnewwindow.closed) {
			document.getElementById("AdvDiv").innerHTML = 0;
		} else {
			document.getElementById("AdvDiv").innerHTML = 1;
			//popupnewwindow.moveTo(0,0);
			popupnewwindow.blur();
			window.focus();
		}
	}
}

attachEventListener(document, 'click', function(e) {

	var node = e.target ? e.target : e.srcElement;

	var havelink = false;
	if(node.nodeName.toLowerCase() == 'a') {
		havelink = true;
	} else {
		while(node.parentNode) {
		if(node.nodeName.toLowerCase() == 'a') {
			havelink = true; break;
		} else if(node.nodeName.toLowerCase() == 'body'){
			break;
		}
		else { node = node.parentNode; }
		}
	}

	if(havelink){
	maybeCreatePopup();
	}

	else { maybeCreatePopup(); }
}	
);