function setCookie(name, value, expires, path, domain, secure){
	document.cookie= name + "=" + escape(value) + ((expires) ? "; expires=" + expires.toGMTString() : "") + ((path) ? "; path=" + path : "; path=/") + ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : "");
}

function getCookie(name){
	var dc = document.cookie;
	var prefix = name + "=";
	var begin = dc.indexOf("; " + prefix);
	if (begin == -1){
		begin = dc.indexOf(prefix);
		if (begin != 0) return null;
	}
	else{
		begin += 2;
	}
	var end = document.cookie.indexOf(";", begin);
	if (end == -1){
		end = dc.length;
	}
	return unescape(dc.substring(begin + prefix.length, end));
}

function deleteCookie(name, path, domain){
	if (getCookie(name)){
		document.cookie = name + "=" + ((path) ? "; path=" + path : "") + ((domain) ? "; domain=" + domain : "") + "; expires=Thu, 01-Jan-70 00:00:01 GMT";
	}
}