document ready function var resort function var jQuery each paragraphs

$(document).ready(function() {
    var resort = function()
    {
        var i = 0;
        jQuery.each($('.paragraphs .paragraph'), function() {
            $(this).children('div.text').children('input.position').val(i++);
        });
    }
    
    $(".paragraphs .text .up").click(function(){
        var div = $(this).parent('div.text').parent('div.paragraph');
        div.insertBefore(div.prev());

        resort();

        return false
    });

    $(".paragraphs .text .down").click(function(){
        var div = $(this).parent('div.text').parent('div.paragraph');
        div.insertAfter(div.next());

        resort();

        return false
    });
});