function showmenu(id)
{
	if ( (document.getElementById(id))!=null ) 
	{ 
	
		document.getElementById(id).style.visibility="visible";
		document.getElementById(id).style.display="block";
		
		var nip_id = 'nip_' + id;
		if(document.getElementById(nip_id))
		{
			document.getElementById(nip_id).style.background = "url(/x_navi/navi_hvvvv_td_drop_ul/nipukka.gif)"; 
			document.getElementById(nip_id).style.backgroundRepeat = "no-repeat"; 
			document.getElementById(nip_id).style.backgroundPosition = "center top"; 
			//document.getElementById(nip_id).style.backgroundColor = "#cccccc"; 
			document.getElementById(nip_id).style.height = "15px"; 
			document.getElementById(nip_id).style.lineHeight = "0px"; 
			document.getElementById(nip_id).style.overflow = "hidden"; 
			document.getElementById(nip_id).style.margin = "0"; 
			document.getElementById(nip_id).style.padding = "0"; 
		}

		//alert(nip_id);
		
		/*
		
		document.getElementById(elmnt).style.left="80px";
		document.getElementById(elmnt).style.top="80px";
		
		document.getElementById(elmnt).style.paddingLeft="60px";
		document.getElementById(id).style.width="400px";
		*/
	
		
	}
}

function hidemenu(id)
{
	if ( (document.getElementById(id))!=null ) 
	{ 
		document.getElementById(id).style.visibility="hidden";
		document.getElementById(id).style.display="none";
		
		var nip_id = 'nip_' + id;
		if(document.getElementById(nip_id))
		{
			
			document.getElementById(nip_id).style.background = "none"; 
		}
		
	}
}