function sendTagboardRequest()
{
    new Ajax.Updater('tagboard_result', '/tagboard.php',
    {
		method: 'post',
		parameters: {a: 'ajax', tag: $F('tag')},
	});
	
	$('tag').value = '';
}

function showResponse(req)
{
	$('tagboard_result').innerHTML= req.responseText;
	$('tag').value = '';
}

function tagboardUpdate()
{
    new Ajax.Updater('tagboard_result', '/tagboard.php',
    {
        method: 'get',
        parameters: {a: 'ajaxupdate'}
    });
}

new Ajax.PeriodicalUpdater('tagboard_result', '/tagboard.php',
{
    method: 'get',
    parameters: {a: 'ajaxupdate'},
    frequency: 60,
    decay: 1.1
});