// Load images into browsers cache //
if(document.images)
{
var buttonImages = Array(6);
for(init = 0;init < 6;init++)
{buttonImages[init] = new Image();}
buttonImages[0].src = "http://www.publicradio.org/config/cobrand/standard/images/apm001/nav/news_inactive.gif";
buttonImages[1].src = "http://www.publicradio.org/config//cobrand/standard/images/apm001/nav/news_active.gif";

buttonImages[2].src = "http://www.publicradio.org/config//cobrand/standard/images/apm001/nav/music_inactive.gif";
buttonImages[3].src = "http://www.publicradio.org/config//cobrand/standard/images/apm001/nav/music_active.gif";

buttonImages[4].src = "http://www.publicradio.org/config//cobrand/standard/images/apm001/nav/entertainment_inactive.gif";
buttonImages[5].src = "http://www.publicradio.org/config//cobrand/standard/images/apm001/nav/entertainment_active.gif";
}

// Function to show 'off' image //
function showOff(name,number)
{
	if(document.images)
	{
		document[name].src = buttonImages[number].src;
		return true;
	}
}

// Function to show 'on' image //
function showOn(name,number)
{	
	if(document.images)
	{
		document[name].src = buttonImages[number].src;	
		return true;
	}
}