var inited = false;

function checkHeight()
{
	if(typeof $j == 'undefined')
		return void(0);
	
//	if($j('#rankingSideBar').size() > 0)

//	$j('#secondary').height($j('#primary').height() - ($j('.rumi00c').height() + $j('.rumi01c').height() + $j('.rumi02c').height()) );

	if($j('#primary').height() < $j('#secondary').height())
	{
		var tmp = $j('#primary').height();
		$j('#primary').height( (tmp + $j('#rankingSideBar').height()) - $j('#secondary').height() + 10);
	}
	else
	{
		if($j('#primary').height() - ($j('.rumi00c').height() + $j('.rumi01c').height() + $j('.rumi02c').height() + $j('#search01c').height() + 40) > $j('#secondary').height())
			$j('#secondary').height($j('#primary').height());

		$j('#secondary').height($j('#secondary').height() - ($j('.rumi00c').height() + $j('.rumi01c').height() + $j('.rumi02c').height() + $j('#search01c').height() + 40));

		$j('#rankingSideBar').scrollFollow({delay:0});
	}
	
	inited = true;
	return void(0);
}

function show_ranking_limit(rank_start)
{
	for(var ri=1;ri<=10;ri++)
	{
		var obj = document.getElementById('side_ranking_wheel_'+ri);
		if(obj)
		{
			if(rank_start <= ri && ri < rank_start + 5)
			{
				if(typeof obj.original_style != 'undefined')
					obj.style.display = obj.original_style;
			}
			else
			{
				if(typeof obj.original_style == 'undefined')
					obj.original_style = obj.style.display;
				obj.style.display = 'none';
			}
		}
		if(((ri-1) % 5) == 0)
		{
			var bobj = document.getElementById('side_ranking_wheel_b'+ri);
			if(bobj)
			{
				if(ri != rank_start)
				{
					bobj.style.display = 'inline';
				}
				else
				{
					bobj.style.display = 'none';
				}
			}
		}
	}
	
	if(!inited)
		setTimeout(checkHeight, 0);
}

//20100723 not scroll ishihara.
//Event.observe(window, "load", function() {show_ranking_limit(1);});