function switchMenu()
{		
	var tbl  = document.getElementById('_table');
	var rows = tbl.getElementsByTagName('tr');
	var cel = rows[0].getElementsByTagName('td')[0];
	
	if (cel.style.display == ""){
		cel.style.display = "none";
		
		document.getElementById('_arrowin').style.display="none";
		document.getElementById('_arrowout').style.display="";
	}else{
		cel.style.display="";
		
		document.getElementById('_arrowin').style.display="";
		document.getElementById('_arrowout').style.display="none";
	}	
}

function switchBanner()
{		
	var tbl = document.getElementById('_banner');
	
	var logo;
	if (top.frames[0]) logo = top.frames[0].document.getElementById('logolink');
	
	if (tbl.style.display == ""){
		tbl.style.display = "none";
		if (logo) logo.style.display = "";
		
		document.getElementById('_arrowup').style.display="none";
		document.getElementById('_arrowdown').style.display="";
	}else{
		tbl.style.display="";
		if (logo) logo.style.display = "none";
		
		document.getElementById('_arrowup').style.display="";
		document.getElementById('_arrowdown').style.display="none";
	}	
}