function setCookie(name, value){
	document.cookie = name + "=" + escape(value);
}

function getCookie(Name){
	var search = Name + "=";
	if (document.cookie.length > 0){
		offset = document.cookie.indexOf(search);
		if (offset != -1){
			offset += search.length;
			end = document.cookie.indexOf(";", offset);
			if (end == -1) {
				end = document.cookie.length;
			}
			return unescape(document.cookie.substring(offset, end));
		} else {
			return "";
		}
	} else {
		return "";
	}
}

function deleteCookie (name) {
	var exp = new Date();
	exp.setTime (exp.getTime() - 1);
	var cval = getCookie (name);
	document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}