if(document.images) {
    //create image objects
	  pics1on = new Image();
	  pics2on = new Image();
	  pics3on = new Image();
	  pics4on = new Image();
	  pics5on = new Image();
	  pics6on = new Image();
	  pics7on = new Image();
	  pics1off = new Image();
	  pics2off = new Image();
	  pics3off = new Image();
	  pics4off = new Image();
	  pics5off = new Image();
	  pics6off = new Image();
	  pics7off = new Image();


    //load image files
          pics1on.src = "images/ncs_splash_04on.jpg";
          pics2on.src = "images/ncs_splash_05on.jpg";
          pics3on.src = "images/ncs_splash_06on.jpg";
          pics4on.src = "images/ncs_splash_07on.jpg";
          pics5on.src = "images/ncs_splash_09on.jpg";
          pics6on.src = "images/ncs_splash_10on.jpg";
          pics7on.src = "images/ncs_splash_11on.jpg";
	  pics1off.src = "images/ncs_splash_04.jpg";
	  pics2off.src = "images/ncs_splash_05.jpg";
	  pics3off.src = "images/ncs_splash_06.jpg";
	  pics4off.src = "images/ncs_splash_07.jpg";
          pics5off.src = "images/ncs_splash_09.jpg";
          pics6off.src = "images/ncs_splash_10.jpg";
          pics7off.src = "images/ncs_splash_11.jpg";
  }

  function LightOn(Name) {
    if(document.images)
		document.images[Name].src = eval(Name + "on.src");
  }

  function LightOff(Name) {
	if(document.images)
		document.images[Name].src = eval(Name + "off.src");
  }