// These are from Netscape's Client-Side JavaScript Guide.
// setCookie() is altered to make it easier to set expiry.


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 setCookie(name, value, daysExpire) {
	if(daysExpire) {
		var expires = new Date();
		expires.setTime(expires.getTime() + 1000*60*60*24*daysExpire);
	}
	document.cookie = name + "=" + escape(value) + (daysExpire == null ? "" : (";expires=" + expires.toGMTString())) + ";path=/";
}