function opentab(id, level, lenta) 
{
	document.getElementById(id).style.zIndex='100';
	document.getElementById(id).className='active';
	for (i=1; i<4; i++)
	{
		if("news-"+i != id)
		{
			document.getElementById("news-"+i).className='';
			if(level == 0 || level == 2)
			{
				document.getElementById("news-"+i).style.zIndex=50+i;
			}else
			{
				document.getElementById("news-"+i).style.zIndex=50-i;
			}
		}
		if("lenta"+i != lenta)
		{
			document.getElementById("lenta"+i).style.display = 'none';
		}else
		{
			document.getElementById("lenta"+i).style.display = 'block';
		}
	}	
}
var it=0;
function scroll_left_down(obj)
{
	if(document.documentElement.clientWidth <= 1024)
	{
		k = 4;
	}else
	{
		k = 5;
	}
	obj.style.backgroundPosition='right center';

	if(it>0)
	{
		l = $('#content_scroll td').length;
		$('#content_scroll td').eq(it+k-1).hide();
		it--;
		for(i=it; i<(it+k-1); i++)
		{
			$('#content_scroll td').eq(i).show();
		}
	}
	
}

function scroll_left_up(obj)
{
	obj.style.backgroundPosition='left center';
}

function scroll_right_down(obj)
{
	if(document.documentElement.clientWidth <= 1024)
	{
		k = 4;
	}else
	{
		k = 5;
	}
	obj.style.backgroundPosition='right center';
		if(it < l-k)
	{
		l = $('#content_scroll td').length;
		$('#content_scroll td').eq(it).hide();
		it++;
		for(i=it; i<(it+k); i++)
		{
			$('#content_scroll td').eq(i).show();
		}
	}
	
}

function scroll_right_up(obj)
{
	obj.style.backgroundPosition='left center';
}

function load_category()
{
	l = $('#content_scroll td').length;
	$('#content_scroll td').hide();
	//alert(document.documentElement.clientWidth);
	if(document.documentElement.clientWidth <= 1060)
	{
		k = 4;
	}else
	{
		k = 5;
	}
	for(i=it; i<(k+it); i++)
	{
		$('#content_scroll td').eq(i).show();
	}
}