function get_dataXML(url)
{
	var xml = new JKL.ParseXML(url);
	var data = xml.parse();
	return data;
}

function rand_key()
{
	var key_file = "xml/key.xml";
	var data 	= get_dataXML(key_file);
	if(data)
	{
		var rand 	= Math.round(Math.random()*100);
		var key 	= data["keys"]["key"][rand];
		$("key_hidden").value = key["value"];
		$("key_file").src = "images/key/"+key["file"];
	}
}