function lighton(domElement)
{
	if ( domElement.isSelected )
		setDivImg(domElement, "menuCurrent.jpg");
	else
		setDivImg(domElement, "menuOn.jpg");
}

function lightoff(domElement)
{
	if ( domElement.isSelected )
		setDivImg(domElement, "menuCurrent.jpg");
	else
		setDivImg(domElement, "menuOff.jpg");
}

function setDivImg(domElement, file)
{
	var imgs = domElement.getElementsByTagName("IMG");
	var i, img;
	
	for ( i = 0; i < imgs.length; i++ )
	{
		img = imgs[i];
		if ( img.className == "light" )
			img.src = file;
	}
}