//menu over
function showSchByDate(obj)
{
	if(obj != null && document.getElementById(obj) != null)
	{
		if(document.getElementById(obj).style.display=='block')
		{
			document.getElementById(obj).style.display='none'
			document.getElementById('expandIcon'+obj).innerHTML = '<img src=icon_ps.gif align=absmiddle style=vertical-align:middle />';
		}
		else
		{
			document.getElementById(obj).style.display='block'
			document.getElementById('expandIcon'+obj).innerHTML = '<img src=icon_ms.gif align=absmiddle style=vertical-align:middle/>';
		}
	}
}