$(function() {

    // Default Variables
    var $btn = $('.btn');
    var i = 0;

    // Apply Flight Filter Default Button
    var $form = $btn.parents('#flight-display-group');
    $form.keypress(function(e) {
        if (e.which == 13 && e.target.type != 'textarea') {
            for (i = 0; i < $btn.length; i++) {
                if (($btn[i].type == 'submit' || $btn[i].type == 'image')) {
                    $btn[i].click();
                    break;
                }
                // use else if for other parentNodes
                else
                    eval($btn[i].href);
            }
            return false;
        }
    });

    // Apply Flight Search Default Button
    var $form = $btn.parents('#flight-number');
    $form.keypress(function(e) {
        if (e.which == 13 && e.target.type != 'textarea') {
            for (i = 0; i < $btn.length; i++) {

                if (($btn[i].type == 'submit' || $btn[i].type == 'image') && $btn[i].parentNode.id == 'flight-number') {
                    $btn[i].click();
                    break;
                }
                // use else if for other parentNodes
                else
                    eval($btn[i].href);
            }
            return false;
        }
    });

});