/**
*  Triggered when the user clicks the 'Query!' button
*/
function xpathTool_btnQuery_onClick() {
    $('#xpathTool_message').ajaxError(function(
            error,
            xhr,
            settings,
            exception
        ){
            console.error(exception);
            $(this).text('Server request failed');
        }
    );
    var xml = $('#input').val();
    var query = $('#query').val();
    //
    $.get('/xptool.php?input=' + encodeURI(xml) + '&query=/', function(response) {
        xpathTool_message(response);
    });
}

/**
 *
 */
function xpathTool_message(message) {
    $('#xpathTool_message').html(message);
}