function fadeIn(objId,opacity)
{
	if ( opacity <= 100 )
	{
		setOpacity(objId,opacity);
		opacity = opacity + 7;
		window.setTimeout("fadeIn('"+objId+"',"+opacity+")", 15);
	}
	else
	{
		setOpacity(objId,100);
	}
}

function fadeOut(objId,opacity)
{
	if ( opacity >= 1 )
	{
		setOpacity(objId, opacity);
		opacity = opacity - 7;
		window.setTimeout("fadeOut('"+objId+"',"+opacity+")", 15);
	}
	else
	{
		setOpacity(objId,1);
	}
}

function setOpacity(objId,opacity)
{
	obj = document.getElementById(objId);
	opacity = (opacity == 100)?99.999:opacity;
	obj.style.filter = "alpha(opacity:"+opacity+")";
	obj.style.KHTMLOpacity = opacity/100;
	obj.style.MozOpacity = opacity/100;
	obj.style.opacity = opacity/100;
}


/*
function opacity(o,v)
{
	o.style.opacity = v/100;
	o.style.filter = 'alpha(opacity=' + v + ')';
}
*/