function focusSearchbox()
{
    var elm = document.getElementById("q");
    if (elm) {
        elm.focus();
    }
}

function checkChange()
{
    var elm = document.getElementById("date");
    if (elm) {
        var elmYear = document.getElementById("year");
        if (elm.value == "exact") {
            if (elmYear.value == "") { elmYear.value = "2000"; }
            elmYear.style.display = "inline";
        }
        else {
            elmYear.style.display = "none";
        }
    }
}