function bcom_change_slide(li, slide_url)
{
	for (var i = 0; i < li.parentNode.childNodes.length; i++)
		li.parentNode.childNodes[i].className='';

	li.className='active';
	$('popup_slide').src = slide_url;
}

function bcom_present(url)
{
	fw_present(url, null, null, null, null, false);
	fw_getPresenter().processAfterResponse = function()
	{
		/*new Effect.Opacity('popup',{duration:1.0,from:0.1,to:1.0});*/
		new Effect.Opacity('popup');
	}
}