var wsibrowsercheck = new Webstatus();

function activate() {
	var cookie = wsiGetCookie('VISITED_899');
	wsibrowsercheck.Load();	
	
	if ((!cookie || location.href.indexOf('wsiNoCookie') >=0) && (wsibrowsercheck.BrowserOK)  && (wsibrowsercheck.CookiesOK))
	{
		//if (Math.floor(Math.random() * 2) == 0 || location.href.indexOf('wsiNoCookie') >=0) {
			var today = new Date();
			var zero_date = new Date(0,0,0);
			today.setTime(today.getTime() - zero_date.getTime());
			var cookie_expire_date = new Date(today.getTime() + (8 * 7 * 86400000)); 
			wsiSetCookie('VISITED_899', 'TRUE', cookie_expire_date, '/' );
			
			document.write('<script type="text/javascript" src="http://survey.webstatus.dk/PopupScript.aspx?id=899&file=embed_iframe.js"></script>');
		//}
	}
}
 
function wsiGetCookie(name) {
	var start = document.cookie.indexOf(name+"=");
	var len = start+name.length+1;
	if ((!start) && (name != document.cookie.substring(0,name.length))) return null;
	if (start == -1) return null;
	var end = document.cookie.indexOf(";",len);
	if (end == -1) end = document.cookie.length;
	return unescape(document.cookie.substring(len,end));
}

function wsiSetCookie(name,value,expires,path,domain,secure) {
	var cookieString = name + "=" +escape(value) +
	   ( (expires) ? ";expires=" + expires.toGMTString() : "") +
	   ( (path) ? ";path=" + path : "") +
	   ( (domain) ? ";domain=" + domain : "") +
	   ( (secure) ? ";secure" : "");
	document.cookie = cookieString;
}

function Webstatus(){}

Webstatus.prototype.Loaded = false;

Webstatus.prototype.BrowserOK = false;

Webstatus.prototype.CookiesOK = false;

Webstatus.prototype.Browser = "";

Webstatus.prototype.DetectBrowser = function(){
	var sBrowser = navigator.userAgent + " " + navigator.appVersion;
	sBrowser = sBrowser.toLowerCase();
	if (sBrowser.indexOf("msie") != -1){
		this.Browser = "msie";
		this.BrowserOK = true;
	} else if (sBrowser.indexOf("firefox") != -1){
		this.Browser = "firefox";
		this.BrowserOK = true;
	} else if (sBrowser.indexOf("safari") != -1){
		this.Browser = "safari";
		this.BrowserOK = true;
        } else if (sBrowser.indexOf("opera") != -1 && sBrowser.indexOf("9.") != -1){       
                this.Browser = "opera";
                this.BrowserOK = true;
        } else {
		this.Browser = "unknown";
	}
}
Webstatus.prototype.DetectCookies = function(){
	this.CookiesOK = navigator.cookieEnabled;
}


Webstatus.prototype.Load = function(){
	this.DetectBrowser();
	this.DetectCookies();
	this.Loaded = true;
}

activate();