// Companion 적용을 위해 파일 인코딩을 반드시 UTF-8로 설정

	function cfGetCookie(name){
		var arg = name + "=";
		var alen = arg.length;
		var clen = document.cookie.length;
		var i = 0;
		    
		while(i < clen) {
			var j = i + alen;
			if(document.cookie.substring(i, j) == arg)
				return cfGetCookieVal(j);
			i = document.cookie.indexOf(" ", i) + 1;
			if(i == 0) 
				break;
		}
		return null;
	}
	
	function cfGetCookieVal(offset){
		var endstr = document.cookie.indexOf(";", offset);
		if(endstr == -1)
			endstr = document.cookie.length;
		return unescape(document.cookie.substring(offset, endstr));
	}
	
	function cfSetCookie(name,value,expiredays) {
		var todayDate = new Date();
		todayDate.setDate(todayDate.getDate() + expiredays);
		todayDate.setHours(0, 0, 0, 0);
		document.cookie = name+"="+escape(value)+"; path=/; expires="+todayDate.toGMTString()+";";
	}