function show_trailer() {
	if($('fimage')) Element.hide($('fimage'));
	if($('ftrailer')) Element.show($('ftrailer'));
	$('toggletext').innerHTML = 'Trailer ausblenden';
	return false;
}

function hide_trailer() {
	if($('fimage')) Element.show($('fimage'));
	if($('ftrailer')) Element.hide($('ftrailer'));
	$('toggletext').innerHTML = 'Trailer ansehen';
	return false;
}

function toggle_trailer() {
	if(Element.visible($('fimage')))
	{
		show_trailer();
	} else {
		hide_trailer();
	}
	return false;
}

Array.prototype.removeByValue = function(val)
{
	outArr = new Array();
	for(var i = 0; i < this.length; i++)
	{
		if(this[i] != val) outArr.push(this[i]);
	}
	return outArr;
}

function doRes(r,s,c){
	if(c!='b')
	{
		if($('r' + r + '_' + s).hasClassName('c'))
		{
			selectedItems = selectedItems.removeByValue('r' + r + '_' + s);
		} else {
			selectedItems.push('r' + r + '_' + s);
		}
		var newtext = selectedItems.length + ' ' + (selectedItems.length==1?'Karte':'Karten');
		$('countertext').innerHTML = newtext;
		$('sel').value = selectedItems.join(',');
		$('r' + r + '_' + s).toggleClassName('c');
	}
	return false;
}