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

    if (list.length) {
        var rows = list.children('a'),
			cache = rows.map(function() {
			    return this.innerHTML.toLowerCase();
			});

        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.parent().parent().show();
        } else {
            rows.parent().parent().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]]).parent().parent().show();
            });
        }
    }
};