function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function menu( id)
{
	if(document.getElementById(id).style.display=='none')
	{
		document.getElementById(id).style.display='block'; 
	}
	else
	{
		document.getElementById(id).style.display='none'; 
		
	}
}