function setCookie() {
	var now = new Date();
	now.setMinutes(now.getMinutes() + 20160);
	document.cookie = "popup=true; expires=" + now.toGMTString() + ";path=/";	
}

function getCookie(name) {
    var dc = document.cookie;
    var prefix = name + "=";
    var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {
        begin = dc.indexOf(prefix);
        if (begin != 0) return null;
    } else {
        begin += 2;
    }
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {
        end = dc.length;
    }
    return unescape(dc.substring(begin + prefix.length, end));
}

function showSurvey() {
	if (getCookie("popup") != "true") {
		setTimeout('Effect.Appear(\'survey\')',2500);
		setCookie();
	}
}