var totalTopItems = 4;

function ClearMenuStatus()
{
	TestImageStatus();
}

function UpdateMenuImageStatus( e )
{
    if (!e) var e = window.event;
    if ( e )
    {
		var tg = (window.event) ? e.srcElement : e.target;
	}

	TestImageStatus( tg );
}


function TestImageStatus( tg )
{
	var statuses = new Array();

	for( var x = 0; x < totalTopItems; x ++ )
	{
		var img = document.getElementById( 'tlm-' + x );
		var on = 0;

		if ( img.getAttribute( 'on' ) == '1' )
		{
			on = 1;
		}

		if ( tg && ( tg == img ) )
		{
			on = 1;
		}

		if ( selectedItem == x )
		{
			on = 1;
		}

   		var status = 'off';

		if ( on == 1 )
		{
			status = 'on';
		}

		statuses[ x ] = status;
	}

	for( var x = 0; x < totalTopItems; x ++ )
	{
		var img = document.getElementById( 'tlm-' + x );
		var imgRight = document.getElementById( 'spacer-' + x );
		var thisStatus = statuses[ x ];

		if ( x < statuses.length )
		{
			var nextStatus = statuses[ x + 1 ] ;
		}

		// Build up a new source tag for this image.
		var imgSrc = "/pagelets/createimage.php?t=intermenuitem-" + thisStatus + "&title=" + escape( img.alt );
		img.src = imgSrc;

		var rightImage = "both-off";

		if ( nextStatus && ( nextStatus == 'on' ) )
		{
			if ( thisStatus == 'on' )
			{
				rightImage = "both-on";
			}
			else
			{
				rightImage = "right-on";
			}
		}
		else if  ( thisStatus == 'on' )
		{
			rightImage = "left-on";
		}

        if ( imgRight )
		{
			imgRight.src = "/images/menu/" + rightImage + ".gif";
		}
	}
}