versOk = ( ((navigator.appName == "Netscape")&&
	    (parseInt(navigator.appVersion) >= 3)) ||
	   ((navigator.appName == "Microsoft Internet Explorer")&&
	    (parseInt(navigator.appVersion)>=4))
	  );
if (versOk)
{
  a1 = new Image();	 a1.src="gify/1_on.gif" /*tpa=http://gify/1_on.gif*/;
  a2 = new Image();	 a2.src="gify/1_off.gif" /*tpa=http://gify/1_off.gif*/;
  
  c1 = new Image(); c1.src="gify/3_on.gif" /*tpa=http://gify/3_on.gif*/;
  c2 = new Image(); c2.src="gify/3_off.gif" /*tpa=http://gify/3_off.gif*/;
  d1 = new Image();	d1.src="gify/4_on.gif" /*tpa=http://gify/4_on.gif*/;
  d2 = new Image();	d2.src="gify/4_off.gif" /*tpa=http://gify/4_off.gif*/;
  e1 = new Image();	e1.src="gify/5_on.gif" /*tpa=http://gify/5_on.gif*/;
  e2 = new Image();	e2.src="gify/5_off.gif" /*tpa=http://gify/5_off.gif*/;
  f1 = new Image();	f1.src="gify/6_on.gif" /*tpa=http://gify/6_on.gif*/;
  f2 = new Image();	f2.src="gify/6_off.gif" /*tpa=http://gify/6_off.gif*/;
  g1 = new Image();	g1.src="gify/7_on.gif" /*tpa=http://gify/7_on.gif*/;
  g2 = new Image();	g2.src="gify/7_off.gif" /*tpa=http://gify/7_off.gif*/;
  
  i1 = new Image();	 i1.src="zalew/zalew01a.jpg" /*tpa=http://zalew/zalew01a.jpg*/;
  i2 = new Image();	 i2.src="zalew/zalew01b.jpg" /*tpa=http://zalew/zalew01b.jpg*/;
  j1 = new Image();	 j1.src="zalew/zalew02a.jpg" /*tpa=http://zalew/zalew02a.jpg*/;
  j2 = new Image();	 j2.src="zalew/zalew02b.jpg" /*tpa=http://zalew/zalew02b.jpg*/;
  k1 = new Image();	 k1.src="zalew/zalew03a.jpg" /*tpa=http://zalew/zalew03a.jpg*/;
  k2 = new Image();	 k2.src="zalew/zalew03b.jpg" /*tpa=http://zalew/zalew03b.jpg*/;
  l1= new Image();  l1.src="zalew/zalew04a.jpg" /*tpa=http://zalew/zalew04a.jpg*/;
  l2= new Image();  l2.src="zalew/zalew04b.jpg" /*tpa=http://zalew/zalew04b.jpg*/;
}
function rollOn(n)
{
 if (versOk)
	{
	   light=eval(n+"1.src");
	   window.status='';
	   document[n].src=light;
	}
}
function rollOff(n)
{
 if (versOk)
	{
	   dark=eval(n+"2.src");
	   window.status='';
	   document[n].src=dark;
	}
}