window.onerror=null;
netsgood = 0;
goodIE = 0;
browserName = navigator.appName.substring(0,8);
browserVer = parseFloat(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3)
{ netsgood = 1; }
if (browserName == "Microsof" && browserVer >= 4.0)
{ goodIE = 1; }
if (netsgood || goodIE) 
		{
		home_out = new Image(); home_out.src = "images/mnav_04_home.gif";
		home_over = new Image(); home_over.src = "images/mnav_04_home_over.gif";
		home_down = new Image(); home_down.src = "images/mnav_04_home_down.gif";
		exhibit_out = new Image(); exhibit_out.src = "images/mnav_04_exhibit.gif";
		exhibit_over = new Image(); exhibit_over.src = "images/mnav_04_exhibit_over.gif";
		exhibit_down = new Image(); exhibit_down.src = "images/mnav_04_exhibit_down.gif";
		tickets_out = new Image(); tickets_out.src = "images/mnav_04_tickets.gif";
		tickets_over = new Image(); tickets_over.src = "images/mnav_04_tickets_over.gif";
		tickets_down = new Image(); tickets_down.src = "images/mnav_04_tickets_down.gif";
		events_out = new Image(); events_out.src = "images/mnav_04_events.gif";
		events_over = new Image(); events_over.src = "images/mnav_04_events_over.gif";
		events_down = new Image(); events_down.src = "images/mnav_04_events_down.gif";
		activities_out = new Image(); activities_out.src = "images/mnav_04_activities.gif";
		activities_over = new Image(); activities_over.src = "images/mnav_04_activities_over.gif";
		activities_down = new Image(); activities_down.src = "images/mnav_04_activities_down.gif";
		ecards_out = new Image(); ecards_out.src = "images/mnav_04_ecards.gif";
		ecards_over = new Image(); ecards_over.src = "images/mnav_04_ecards_over.gif";
		ecards_down = new Image(); ecards_down.src = "images/mnav_04_ecards_down.gif";
		<!-- exhibit links -->
		visit_out = new Image(); visit_out.src = "images/sn_exhibit_visit.gif";
		visit_over = new Image(); visit_over.src = "images/sn_exhibit_visit_over.gif";		
		about_out = new Image(); about_out.src = "images/sn_exhibit_about.gif";
		about_over = new Image(); about_over.src = "images/sn_exhibit_about_over.gif";	
		dino_out = new Image(); dino_out.src = "images/sn_exhibit_dino.gif";
		dino_over = new Image(); dino_over.src = "images/sn_exhibit_dino_over.gif";
		dino_nhm_out = new Image(); dino_nhm_out.src = "images/sn_exhibit_dino_nhm.gif";
		dino_nhm_over = new Image(); dino_nhm_over.src = "images/sn_exhibit_dino_nhm_over.gif";
		dino_jack_out = new Image(); dino_jack_out.src = "images/sn_exhibit_dino_jack.gif";
		dino_jack_over = new Image(); dino_jack_over.src = "images/sn_exhibit_dino_jack_over.gif";
		vote_out = new Image(); vote_out.src = "images/sn_exhibit_vote.gif";
		vote_over = new Image(); vote_over.src = "images/sn_exhibit_vote_over.gif";
		links_out = new Image(); links_out.src = "images/sn_exhibit_links.gif";
		links_over = new Image(); links_over.src = "images/sn_exhibit_links_over.gif";
		<!-- events links -->
		tce_out = new Image(); tce_out.src = "images/sn_events_tce.gif";
		tce_over = new Image(); tce_over.src = "images/sn_events_tce_over.gif";	
		nysmnyd_out = new Image(); nysmnyd_out.src = "images/sn_events_nysmnyd.gif";
		nysmnyd_over = new Image(); nysmnyd_over.src = "images/sn_events_nysmnyd_over.gif";
		mma_out = new Image(); mma_out.src = "images/sn_events_mma.gif";
		mma_over = new Image(); mma_over.src = "images/sn_events_mma_over.gif";
		afoc_out = new Image(); afoc_out.src = "images/sn_events_afoc.gif";
		afoc_over = new Image(); afoc_over.src = "images/sn_events_afoc_over.gif";
		tdd_out = new Image(); tdd_out.src = "images/sn_events_tdd.gif";
		tdd_over = new Image(); tdd_over.src = "images/sn_events_tdd_over.gif";
		dcl_out = new Image(); dcl_out.src = "images/sn_events_dcl.gif";
		dcl_over = new Image(); dcl_over.src = "images/sn_events_dcl_over.gif";
		other_out = new Image(); other_out.src = "images/sn_events_other.gif";
		other_over = new Image(); other_over.src = "images/sn_events_other_over.gif";
		<!-- activities links -->
		tcfotr_out = new Image(); tcfotr_out.src = "images/sn_activities_tcfotr.gif";
		tcfotr_over = new Image(); tcfotr_over.src = "images/sn_activities_tcfotr_over.gif";
		prevwin_out = new Image(); prevwin_out.src = "images/sn_activities_tcfotr_winner.gif";
		prevwin_over = new Image(); prevwin_over.src = "images/sn_activities_tcfotr_winner_over.gif";		
		pos_out = new Image(); pos_out.src = "images/sn_activities_pos.gif";
		pos_over = new Image(); pos_over.src = "images/sn_activities_pos_over.gif";	
		trt_out = new Image(); trt_out.src = "images/sn_activities_trt.gif";
		trt_over = new Image(); trt_over.src = "images/sn_activities_trt_over.gif";
		}
function overImage(imagename,state){
	if(netsgood||goodIE){
	document.images[imagename].src = eval(imagename+'_'+state +'.src');
	}
}