/*****************************
**   Common cookie methods
******************************/

// Functions from Netscape's JavaScript Guide
// http://developer.netscape.com/docs/manuals/js/client/jsguide/

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

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))
		}
	}
	return '';
}