function hide(id) {
document.getElementById("ul"+id).style.display = "none";
}

function show(id) {
document.getElementById("ul"+id).style.display = "block";
}
function sh(id)
{

	if(document.getElementById("ul"+id))
	{
		switch (document.getElementById("li"+id).className)
		{
		    case 'a_fs':document.getElementById("li"+id).className='a_ds';break;
		    case 'a_ds':document.getElementById("li"+id).className='a_fs';break;
		}


		if(document.getElementById("ul"+id).style.display == "none")
		{

			show(id);
		}
		else
		{
			hide(id);
		}
	}

}