function show(id)
{
	var div = document.getElementById('submenu' + id).style.display=document.getElementById('submenu' + id).style.display=='block'?'block': 'block';
}

function hide(id)
{
	var div = document.getElementById('submenu' + id).style.display=document.getElementById('submenu' + id).style.display=='none'?'none': 'none';
}