tmpID=0;
function show_tree(id)
	{
		if($(id).style.display!='block')
		{
			$(id).style.display='block';
		}
		else 
		{
			$(id).style.display='none';
			drop_selected();
		}
		show_gallery(id, id);
		return false;
	}
function select_tree(id, r_id)
	{
		var clName = $(id).className;
		drop_selected();
		if(clName=='zh_header_div zh_bg_01') 
		{
			$(id).className='zh_header_div zh_bg_02';
			tmpID=id;
		}
		if(clName=='zh_header_div zh_bg_02')
		{
			$(id).className='zh_header_div zh_bg_01';
			tmpID=id;
		}
		if(clName=='zh_header_div zh_bg_03')
		{
			$(id).className='zh_header_div zh_bg_04';
			tmpID=id;
		}
		if(clName=='zh_header_div zh_bg_04')
		{
			$(id).className='zh_header_div zh_bg_03';
			tmpID=id;
		}
		show_gallery(r_id, id);
		return false;
	}
function drop_selected()
{
	if($(tmpID).className=='zh_header_div zh_bg_03')
	{
		$(tmpID).className='zh_header_div zh_bg_04';
	}
	if($(tmpID).className=='zh_header_div zh_bg_01')
	{
		$(tmpID).className='zh_header_div zh_bg_02';
	}
}
function show_gallery(r_id, id)
	{
		if(r_id!='' && id!='')
		{
			$('Fldr'+r_id).innerHTML=$('subFldr'+id).innerHTML;
		}
		return false;
	}