function create_images()
{
<!-- Begin of Second Buttons -->
Nav1=new Image();
Nav1a=new Image();
Nav1.src="images/a3.gif";
Nav1a.src="images/a3-prac.gif";

Nav2=new Image();
Nav2a=new Image();
Nav2.src="images/a3.gif";
Nav2a.src="images/a3-faci.gif";

Nav3=new Image();
Nav3a=new Image();
Nav3.src="images/a3.gif";
Nav3a.src="images/a3-insu.gif";

Nav4=new Image();
Nav4a=new Image();
Nav4.src="images/a3.gif";
Nav4a.src="images/a3-test.gif";

Nav5=new Image();
Nav5a=new Image();
Nav5.src="images/a3.gif";
Nav5a.src="images/a3-cont.gif";
<!-- End of Second Buttons -->

<!-- Begin of First Buttons -->
A1=new Image();
A2=new Image();
A1.src="images/aprac-on.gif";
A2.src="images/aprac-off.gif";
B1=new Image();
B2=new Image();
B1.src="images/afaci-on.gif";
B2.src="images/afaci-off.gif";
C1=new Image();
C2=new Image();
C1.src="images/ainsu-on.gif";
C2.src="images/ainsu-off.gif";
D1=new Image();
D2=new Image();
D1.src="images/atest-on.gif";
D2.src="images/atest-off.gif";
E1=new Image();
E2=new Image();
E1.src="images/acont-on.gif";
E2.src="images/acont-off.gif";
<!-- End of First Buttons -->

} // create_images
create_images();