var bannersTop = new Array(
	'butt_bbcNEW.gif',
	'butt_historymakers10.gif',
	'butt_wgbh.gif',
	'butt_cliptv.gif',
	'butt_primefocus.gif',
	'butt_stanleynew.gif',
	'buttinaNEW.gif',
	'buttinaNEW.gif',
	'buttinaNEW.gif',
	'butt_itnSource3.gif',
	'butt_archidoc.gif',
	'butt_osf.gif',
	'butt_filmaust_banner.gif',
	'butt_focal_banner.gif',
	'butt_hbo.gif',
	'butt_hbo-marchoftime.gif');
var linxTop = new Array(
	'http://www.bbcmotiongallery.com',
	'http://www.historymakers2010.com',
	'http://www.wgbhstocksales.org',
	'http://www.cliptv.tv',
	'http://www.primefocusworld.com',
	'http://www.stanleysonline.co.uk',
	'http://www.inamediapro.com/index.jsp?lang=en&source=1',
	'http://www.inamediapro.com/index.jsp?lang=en&source=1',
	'http://www.inamediapro.com/index.jsp?lang=en&source=1',
	'http://www.itnsource.com',
	'http://www.femis.fr/formationcontinue/archidoc.html',
	'http://www.osffootage.com',
	'http://www.filmaust.com.au/',
	'http://www.focalint.org',
	'http://www.hboarchives.com',
	'http://www.hboarchives.com');

var oldTop = 0;
var currentTop = 0;
var oldMid = 0;
var currentMid = 0;
var oldBot = 0;
var currentBot = 0;

function doitThree()
{	
	if (!document.images) return
	while (currentTop == oldTop)
	{
		currentTop = Math.floor(Math.random()*bannersTop.length);
	}
	oldTop = currentTop;
	document.images['banner1'].src = bannersTop[currentTop];
	setTimeout('doitThree()',10000);
	
	
	while (currentMid == oldMid)
	{
		currentMid = Math.floor(Math.random()*bannersTop.length);
	}
	oldMid = currentMid;
	document.images['banner2'].src = bannersTop[currentMid];
	
	
	while (currentBot == oldBot)
	{
		currentBot = Math.floor(Math.random()*bannersTop.length);
	}
	oldBot = currentBot;
	document.images['banner3'].src = bannersTop[currentBot];
	
}