function align_cols() {	

	video_col_offs = document.getElementById('video').offsetHeight;

	tagcloud_col_offs = document.getElementById('tags').offsetHeight;

	news_col_offs = document.getElementById('news_stripe').offsetHeight;

	comments_col_offs = document.getElementById('comments').offsetHeight;	

	an_inshi_news_col_offs = document.getElementById('an_inshi_news').offsetHeight;	



	right_col = comments_col_offs + an_inshi_news_col_offs + 9;


/*
	if(video_col_offs + tagcloud_col_offs < right_col) {

		document.getElementById('v_1').style.minHeight = right_col - tagcloud_col_offs - 37 + 'px';

	}
*/

	if(news_col_offs < right_col) {

		news_inside_div_s = document.getElementById('news_stripe').getElementsByTagName('div');

		var general_block;

		for(i = 0; i < news_inside_div_s.length; i++) {

			if(news_inside_div_s[i].className == 'general_inside_block') {

			general_block = news_inside_div_s[i];

			}

		}		

		general_block.style.minHeight = right_col - 37 + 'px';		

	}
	

}


function filter_statti(obj, content_block) {
	zmist = ['st_1', 'st_2','st_3'];

	tabs = obj.parentNode.getElementsByTagName('a');

	for(i=0; i<tabs.length; i++) {
		turnoff_tab = tabs[i];
		turnoff_tab.className = '';
	}
	obj.className = 'active';
	
	for(i=0; i<tabs.length; i++) {
		document.getElementById(zmist[i]).style.display = 'none';
	}
	document.getElementById(zmist[content_block-1]).style.display = 'block';	
}

function filter_video(obj, content_block) {
	//zmist = ['v_1', 'v_2','v_3','v_4'];
	zmist = ['v_1', 'v_2','v_3'];

	tabs = obj.parentNode.getElementsByTagName('a');

	for(i=0; i<tabs.length; i++) {
		turnoff_tab = tabs[i];
		turnoff_tab.className = '';
	}
	obj.className = 'active';
	
	for(i=0; i<tabs.length; i++) {
		document.getElementById(zmist[i]).style.display = 'none';
	}
	document.getElementById(zmist[content_block-1]).style.display = 'block';	
}

function switch_article(obj, content_block, avt) {
	atabs = ['atab_1', 'atab_2','atab_3','atab_4'];
	zmist = ['a_1', 'a_2','a_3','a_4'];	
	
	if(avt !== 1) {
	window.clearInterval(slider_id);
	current_tab = content_block - 1;
	}
	
	for(i=0; i<4; i++) {
		document.getElementById(atabs[i]).className = 'article_tab';
		document.getElementById(zmist[i]).style.display = 'none';
	}
	obj.className = 'activetab';
	document.getElementById('a_'+content_block).style.display = 'block';	
}

var slider_id;
current_tab = 0;
article_timer = 8000;

function article_slider() {
	atabs = ['atab_1', 'atab_2','atab_3','atab_4'];
	
	window.clearInterval(slider_id);
	slider_id = window.setTimeout(article_slider, article_timer);
	
	tab = document.getElementById(atabs[current_tab]);
	switch_article(tab, current_tab + 1, 1);
	
	if(current_tab < 3) {
		current_tab++;
	} else {
		current_tab = 0;
	}
}