String.prototype.trim = function() {  
    return this.replace(/^\s+|\s+$/g,'');  
}
function expandtopics(t)
{
	for(i = 0; i < 10; i++)
		if($('sub-topic-list-' + i))
			$('sub-topic-list-' + i).style.display = 'none';			

	if($('sub-topic-list-' + t))
		$('sub-topic-list-' + t).style.display = 'block';
}
function show_active_pic(pic_id, title)
{
	pic_url = 'cms/classes/phpThumb/phpThumb.php?src=../../../images/topics_gallery/thumb_' + pic_id + '.jpg&w=320&h=270';
	$('active_pic').innerHTML = '<div id="image_div" style="width: 320px; height: 270px; background:url(img/ajax-loader.gif) no-repeat 20px 20px;"><a href="images/topics_gallery/thumb_' + pic_id + '.jpg" rel="lightbox" title="' + title + '"><img src="images/ajax-loader.gif" id="image_inner" style="display: none"/></a></div>';
	temp = new Image();
	temp.onload = function (){  $('image_inner').src = this.src; new Effect.Appear('image_inner');}
	temp.src = pic_url;	
	//initLightbox();
	//new Lightbox();
}

function validate_subs()
{
	if($('name').value.trim() == '')
	{
		alert("Въведете име!");
		return;
	}
	if($('lastname').value.trim() == '')
	{
		alert("Въведете фамилия!");
		return;
	}
	if($('address').value.trim() == '')
	{
		alert("Въведете адрес!");
		return;
	}
	$('subsform').submit();
}
function opencomments(news)
{
	window.open('comments.php?news=' + news, 'comments', 'height=600,width=400,scrollbars=1');
}
function opencomments2(topic)
{
	window.open('comments_topics.php?topic=' + topic, 'comments', 'height=600,width=400,scrollbars=1');
}