var PASSNAVI_TRACK_ID_NAME = "PNTRACK"

var currentDate = new Date();
currentDate.setYear(currentDate.getYear()+1);//Valid for 1 year
var trackId = Math.random();
if (document.cookie.indexOf(PASSNAVI_TRACK_ID_NAME) < 0) {
	document.cookie = PASSNAVI_TRACK_ID_NAME + '=' + escape(trackId) 
		+ '; expires=' + currentDate.toGMTString()
		//+ '; domain=passnavi.evidus.com
		+ '; path=/'
		;
}