function imageFadeOut(img) 
{
	if ( document.all) 
	{
		img.opacity = 100;
		setOpacity(img.name, -10, 100);
	}
}
function imageFadeIn(img) 
{
	if ( document.all) 
	{
		img.opacity = 0;
		setOpacity(img.name, 10, 100);
	}
}
function setOpacity (imgName, step, delay) 
{
	var img = document.images[imgName];
	img.opacity += step;
	if (document.all) 
		img.style.filter = 'alpha(opacity = ' + img.opacity + ')'; 
	if (step > 0 && img.opacity < 100 || step < 0 && img.opacity > 0)
		setTimeout('setOpacity("' + img.name + '",' + step + ', ' + delay + ')', delay);
}