function getCookie(name) {
	if (document.cookie.length > 0) {
		c_start = document.cookie.indexOf(name + "=")
		if (c_start != -1) { 
			c_start = c_start + name.length + 1; 
			c_end = document.cookie.indexOf(";",c_start);
			if (c_end == -1) {
				c_end = document.cookie.length;
			}
			return unescape(document.cookie.substring(c_start,c_end));
		} 
	}
	return null;
}

function createCookie(name,value,days) {
	var expires = "";
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		expires = "; expires="+date.toGMTString();
	}
	document.cookie = name+"="+value+expires+"; path=/";
}