function SetCookie(cookieName, cookieValue, nDays) {
	var today = new Date();
	var expire = new Date();

	if ( nDays == null || nDays == 0 )
		nDays = 7;
	
	expire.setTime(today.getTime() + 3600000*24*nDays);
	document.cookie = cookieName+"="+encodeURIComponent(cookieValue)+ ";expires="+expire.toGMTString()+";path=/;";
}