if (document.images) {

    // global selector


	sparenton = new Image(70, 26);
	sparenton.src = "/images/selector/parent-on.gif";
	sparentoff = new Image(70, 26);
	sparentoff.src = "/images/selector/parent-off.gif";

	steacheron = new Image(80, 26);
	steacheron.src = "/images/selector/teacher-on.gif";
	steacheroff = new Image(80, 26);
	steacheroff.src = "/images/selector/teacher-off.gif";



	stoddleron = new Image(80, 26);
	stoddleron.src = "/images/selector/toddler-on.gif";
	stoddleroff = new Image(80, 26);
	stoddleroff.src = "/images/selector/toddler-off.gif";

	sprekon = new Image(63, 26);
	sprekon.src = "/images/selector/prek-on.gif";
	sprekoff = new Image(63, 26);
	sprekoff.src = "/images/selector/prek-off.gif";

	skon = new Image(35, 26);
	skon.src = "/images/selector/k-on.gif";
	skoff = new Image(35, 26);
	skoff.src = "/images/selector/k-off.gif";

	s1on = new Image(35, 26);
	s1on.src = "/images/selector/1-on.gif";
	s1off = new Image(35, 26);
	s1off.src = "/images/selector/1-off.gif";

	s2on = new Image(35, 26);
	s2on.src = "/images/selector/2-on.gif";
	s2off = new Image(35, 26);
	s2off.src = "/images/selector/2-off.gif";

	s3on = new Image(35, 26);
	s3on.src = "/images/selector/3-on.gif";
	s3off = new Image(35, 26);
	s3off.src = "/images/selector/3-off.gif";

	s4on = new Image(35, 26);
	s4on.src = "/images/selector/4-on.gif";
	s4off = new Image(35, 26);
	s4off.src = "/images/selector/4-off.gif";

	s5on = new Image(35, 26);
	s5on.src = "/images/selector/5-on.gif";
	s5off = new Image(35, 26);
	s5off.src = "/images/selector/5-off.gif";

	s6on = new Image(35, 26);
	s6on.src = "/images/selector/6-on.gif";
	s6off = new Image(35, 26);
	s6off.src = "/images/selector/6-off.gif";

	s7on = new Image(35, 26);
	s7on.src = "/images/selector/7-on.gif";
	s7off = new Image(35, 26);
	s7off.src = "/images/selector/7-off.gif";

	s8on = new Image(35, 26);
	s8on.src = "/images/selector/8-on.gif";
	s8off = new Image(35, 26);
	s8off.src = "/images/selector/8-off.gif";

   }

   function img_act(imgName) {
      if (document.images) {
         imgOn = eval(imgName + "on.src");
         document [imgName].src = imgOn;
      }
   }

   function img_inact(imgName) {
      if (document.images) {
         imgOff = eval(imgName + "off.src");
         document [imgName].src = imgOff;
      }
   }
   
   function turn_on(imgName) {
      if (document.images) {
         imgOff = eval(imgName + "off");
         imgOff.src = imgOff.src.replace('-off.gif','-on.gif');
         imgOff.src = imgOff.src.replace('-inact.gif','-on.gif');
      }
   }

   function turn_inact(imgName) {
      if (document.images) {
         imgOff = eval(imgName + "off");
         imgOff.src = imgOff.src.replace('-off.gif','-inact.gif');
         imgOff.src = imgOff.src.replace('-on.gif','-inact.gif');
         document [imgName].src = imgOff.src;
      }
   }

   function turn_off(imgName) {
      if (document.images) {
         imgOff = eval(imgName + "off");
         imgOff.src = imgOff.src.replace('-inact.gif','-off.gif');
         imgOff.src = imgOff.src.replace('-on.gif','-off.gif');
         document [imgName].src = imgOff.src;
      }
   }