function inc_count(placement_id, current_module)
{
    var myAjax = new Ajax.Request('/clickcounter/index',
    {
	method: 'get',
	parameters: 'pid='+placement_id+'&m='+current_module,
	onComplete: doNothing
    });
}

function doNothing(request)
{
}

function start_marquee() {
    $('comment_marquee').start();
    timer.stop();
}

function start_marquee_timer() {
    timer = new PeriodicalExecuter(start_marquee, 1);
}

function receive_ooyala_event(playerId, eventName, p)
{
    var player = $('ooyala_player_1');
    switch(eventName) {
    case 'loadComplete':
	var v = bs_get_cookie('player_volume');
	if( v==null )
	    v = 0.5;
        player.setVolume(v);
	break;
    case 'volumeChanged':
	bs_set_cookie('player_volume', player.getVolume());
	break;
    }
}         

function bs_set_cookie(name, value)
{
    var d = new Date();
    d.setTime(d.getTime() + 365 * 24 * 3600 * 1000);
    var expires = '; expires=' + d.toGMTString();
    document.cookie = name + '=' + value + expires + '; path=/';
}

function flip_search_form(id)
{
    var elem = $(id);
    if(elem.style.display=='none')
    	elem.style.display = '';
    else
    	elem.style.display = 'none';
}

function bs_get_cookie(name)
{
    var prefix = name + '=';
    var chunks = document.cookie.split(';');
    for(var i=0; i<chunks.length; ++i) {
	var chunk = chunks[i].strip();
 	if(chunk.indexOf(prefix)==0) {
	    var value = chunk.substring(prefix.length, chunk.length);
	    return value;
	}
    }
    return null;
}

// function copy_alt_impl(key_number)
// {
//     var img  = $('img_row_'+key_number).descendants()[0].descendants()[0];
//     var span = $('title_row_'+key_number).descendants()[0];
//     span.innerHTML = img.alt;
// }
// window.onload = function copy_alt()
// {
//     for(i=0; i<8; ++i)
// 	copy_alt_impl(i);
// }