//write visited hike stop to cookie so it shows up as visited on the map idex (hikes/index.html)
	//*requires /js/cookie.js to be included*
	function writeHikeCookie(hikeIndex){
		var cook = getCookie('hikes_visited')
		
		if(cook != null){
			cook = cook + "," + hikeIndex
		} else {
			cook = hikeIndex;
		}
		setCookie('hikes_visited',cook);
	}