jQuery.fn.liveUpdate = function(list){
    list = jQuery(list);

    if ( list.length ) {
        var rows = list.children('li'),
        cache = rows.map(function(){
            return this.innerHTML.toLowerCase().replace(/<\/a>/, '').replace(/^.*>/, '');
        });

        this
        .keyup(filter).keyup()
        .parents('form').submit(function(){
            return false;
        });
    }

    return this;

    function filter(){
        var term = jQuery.trim( jQuery(this).val().toLowerCase() ), scores = [];
        if (!term){
            rows.show();
        }
        else {
            rows.hide();
            rows.each(function(i){
                if (cache[i].match(term)){
                    jQuery(rows[i]).show();
                }
            });
        }
    }

    /* function filter(){
        var term = jQuery.trim( jQuery(this).val().toLowerCase() ), scores = [];

        if ( !term ) {
            rows.show();
        } else {
            rows.hide();

            cache.each(function(i){
                var score = this.score(term);
                if (score > 0) { scores.push([score, i]); }
            });

            jQuery.each(scores.sort(function(a, b){return b[0] - a[0];}), function(){
                jQuery(rows[ this[1] ]).show();
            });
        }
    }
    */
};