.js input.form-autocomplete
{
    background-image: url(../image/throbber-inactive.png);
    background-repeat: no-repeat;
    background-position: 100% center;
}
.js[dir="rtl"] input.form-autocomplete
{
    background-position: 0% center;
}
.js input.form-autocomplete.ui-autocomplete-loading
{
    background-image: url(../image/throbber-active.gif);
    background-position: 100% center;
}
.js[dir="rtl"] input.form-autocomplete.ui-autocomplete-loading
{
    background-position: 0% center;
}