// http://www.quirksmode.org/js/cookies.html

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

// ---------------------------------------------------

var questioPopupEnabled = true;

function questionpopup_start() {
	if(!questioPopupEnabled)
		return;
	
	if(readCookie('questionpopup') == 'no')
		return;
	
	window.setTimeout('questionpopup_open()', 20000);
	// questionpopup_open();
}

function questionpopup_open() {
	window.open('Question-Popup.php', 'winQuestionPopup', 'width=550,height=385');
}

function questionpopup_cancelButton() {
	createCookie('questionpopup', 'no', null);
	window.close();
}