function setCookie(name, value, expire) 
	{   
		document.cookie = name + "=" + escape(value)   + ((expire == null) ? "" : ("; expires=" + expire.toGMTString()));
	}

	function getCookie(Name) 
	{   
		var search = Name + "=";
		if (document.cookie.length > 0) 
		{ // if there are any cookies      
			offset = document.cookie.indexOf(search);
			if (offset != -1) 
			{ // if cookie exists          
				offset += search.length; // set index of beginning of value         
				end = document.cookie.indexOf(";", offset); // set index of end of cookie value         
				if (end == -1)  end = document.cookie.length;
				return unescape(document.cookie.substring(offset, end));
			}    
		}
	}

	function registerCookie(cookieName, cookieValue, cookieLifeYrs) 
	{   
		var today = new Date();
		var expires = new Date();
		expires.setTime(today.getTime() + 1000*60*60*24*365*cookieLifeYrs);
		setCookie(cookieName, cookieValue, expires);
	}