jQuery(function($) {//on document ready
    //autocomplete
    $('input.autocomplete').each(function() {
        var input = $(this);
        input.autocomplete(input.attr('autocomplete_url'), {
            matchContains:1,//also match inside of strings when caching
            //    mustMatch:1,//allow only values from the list
            //    selectFirst:1,//select the first item on tab/enter
            removeInitialValue:0,
            multiple: true,
            multipleSeparator: ", "
        });
    });
});