// vim: set sw=4 sts=4 et tw=80 :

function checkTrend(form) {
    if ("" == form.keyword.value) {
        form.keyword.focus();
        alert("Please enter a value for the search field");
        return false;
    }
    if (3 > form.keyword.value.length) {
        form.keyword.focus();
        alert("Please enter at least 3 characters in the search field");
        return false;
    }
    return true;
}