var PrototypeShell = {};
PrototypeShell.ParamsToString = function(NameValueCollection)
{
	var ret = new Array();
	for(var i=0;i<NameValueCollection.length;i++)
	{
		ret.push(NameValueCollection[i].Name + "=" + NameValueCollection[i].Value);
	}
	return ret.join("&");
}
PrototypeShell.Error = function(request)
{
	var error = request.getResponseHeader("error");
	if(error != "")
	{
		alert(error.replace("\\n", "\n"));
		return true;
	}
	return false;
}