// Preload switched images.
var lcdoff = new Image; lcdoff.src = "cabinet/lcd__off.gif";
var lcd0on = new Image; lcd0on.src = "cabinet/lcdimg00.gif";
var lcd1on = new Image; lcd1on.src = "cabinet/lcdimg11.gif";
var lcd2on = new Image; lcd2on.src = "cabinet/lcdimg22.gif";
var lcd3on = new Image; lcd3on.src = "cabinet/lcdimg33.gif";
var lcd4on = new Image; lcd4on.src = "cabinet/lcdimg44.gif";
var lcd5on = new Image; lcd5on.src = "cabinet/lcdimg55.gif";
var lcd6on = new Image; lcd6on.src = "cabinet/lcdimg66.gif";
var lcd7on = new Image; lcd7on.src = "cabinet/lcdimg77.gif";
var lcd8on = new Image; lcd8on.src = "cabinet/lcdimg88.gif";
var lcd9on = new Image; lcd9on.src = "cabinet/lcdimg99.gif";
var lcdkon = new Image; lcdkon.src = "cabinet/lcdimgkk.gif";
var grled0 = new Image; grled0.src = "cabinet/grledoff.gif";
var grled1 = new Image; grled1.src = "cabinet/grnledon.gif";
var almoff = new Image; almoff.src = "cabinet/redoff.gif";
var alrmon = new Image; alrmon.src = "cabinet/flashred.gif";
var swcoff = new Image; swcoff.src = "cabinet/switch_0.gif";
var swchon = new Image; swchon.src = "cabinet/switch_1.gif";

var isolate = 1;  // Main isolator on home page.

function lcdOn(inum)
{
  if (isolate==1)
  {document.images['lcd0'].src=eval("lcd" + inum + "on.src");}
}

function lcdOff()
{
  if (isolate==1) {document.images['lcd0'].src=lcd0on.src;}
}

function ledOn(iname)
{
  if (isolate==1) {document.images[iname].src=grled1.src;}
}

function ledOff(iname)
{
  if (isolate==1) {document.images[iname].src=grled0.src;}
}

function cabSwitch()
{
  if (isolate==1)
  {
    document.images['mainsw'].src=swcoff.src; 
    document.images['rled'].src=alrmon.src;
    document.images['lcd0'].src=lcdoff.src;
    ledOff('led8'); isolate=0; 
  }
  else
  {
    document.images['mainsw'].src=swchon.src; 
    document.images['rled'].src=almoff.src;
    document.images['lcd0'].src=lcd0on.src;
    isolate=1;
  }
}

function setSwitch() 
{
  if (isolate == 0)
  {
    document.images['mainsw'].src=swcoff.src;
    document.images['lcd0'].src=lcdoff.src;
    document.images['rled'].src=alrmon.src;
  }
}