var name_tooltip = null;

function initialize() {
    name_tooltip = new Tooltip('korname_trigger','korname_tooltip');
    if ( $('korname_tooltip') ) {
        var x = $('korname_tooltip');
        x.innerHTML = '<img src="./pics/yongchul_korean.png" alt="YongChul Kwon in Korean" />';
    }
}

function cleanup() {
    if ( name_tooltip )
        name_tooltip.destroy();
    name_tooltip = null;
}