function XMLresult (xml, n, field){

		if (typeof n == 'undefined'
            || typeof field == 'undefined'
            || field == ''
            || xml.getElementsByTagName(field).length == 0
            || typeof xml.getElementsByTagName(field)[n] == 'undefined'
            || typeof xml.getElementsByTagName(field)[n].firstChild == 'undefined')
        {
            return '';
        }

		var node;

		if (node = xml.getElementsByTagName(field)[n].firstChild){

			return node.nodeValue;

		}

	}



	function XMLcount (xml){

		return xml.documentElement.getElementsByTagName('item').length;

	}