function tryToSubmit (form) {
    if (!isFocused && form.elements["query"].value == "search") {
        form.elements["query"].focus();
        return false;
    }

    form.query.value = trim(form.query.value);
     
    if (form.query.value.length <= 2) {
        alert("Search term should contain at least 3 characters");
        form.query.focus();
        return false;
    }
	form.submit();
    return true;
}