var last_menu = null;
	function ShowMenu( id )
	{
		if( id )
			document.getElementById( id ).style.display = 'block';
							
														
		last_menu = id;
	}

	function HideMenu( id )
	{
		if( last_menu )
			document.getElementById( last_menu ).style.display = 'none';

	}
function openWindow(filepath, winname, arguments) {  
popupWin = window.open(filepath, winname, arguments);
popupWin.focus();
}