function analyticsEvents_getCookie(c_name) {
	var i,x,y,ARRcookies=document.cookie.split(";");
	for (i=0;i<ARRcookies.length;i++) {
		x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("="));
		y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1);
		x=x.replace(/^\s+|\s+$/g,"");
		if (x==c_name) {
			return unescape(y);
		}
	}
}

function analyticsEvents_setCookie(c_name, value, exdays) {
	var exdate=new Date();
	exdate.setDate(exdate.getDate() + exdays);
	var c_value=escape(value) + ((exdays==null) ? "" : "; expires="+exdate.toUTCString());
	document.cookie=c_name + "=" + c_value;
}

function analyticsEvents_CheckReferrer() {
	// Verificar se tem referencia
	if(analyticsEvents_getCookie('refer') == 'ok') {
		_gaq.push(['_setReferrerOverride', analyticsEvents_getCookie('referrer')]);
		
		// Zerar Cookie
		analyticsEvents_setCookie('referrer', 'null', 0);
		analyticsEvents_setCookie('refer', 'null', 0);
	}
}