if (document.images) {
  image1on = new Image();
  image1on.src = "images/hRadiantO.gif";

  image2on = new Image();
  image2on.src = "images/hMaintenanceO.gif";

  image3on = new Image();
  image3on.src = "images/hTanksO.gif";

  image4on = new Image();
  image4on.src = "images/hFireplacesO.gif";
  
  image5on = new Image();
  image5on.src = "images/hFireplacesO.gif";

  image6on = new Image();
  image6on.src = "images/hWarehouseO.gif";
  
  image7on = new Image();
  image7on.src = "images/hInstallO.gif";

  image8on = new Image();
  image8on.src = "images/hFireplacesO.gif";
  
  image9on = new Image();
  image9on.src = "images/hServicesO.gif";

  image1off = new Image();
  image1off.src = "images/hRadiant.gif";

  image2off = new Image();
  image2off.src = "images/hBBQ.gif";

  image3off = new Image();
  image3off.src = "images/hTanks.gif";

  image4off = new Image();
  image4off.src = "images/hFireplace2.gif";

  image5off = new Image();
  image5off.src = "images/hFireplace1.gif";
  
  image6off = new Image();
  image6off.src = "images/hWarehouse2.gif";
 
  image7off = new Image();
  image7off.src = "images/hInstall.gif";
  
  image8off = new Image();
  image8off.src = "images/hFireplace3.gif";
  
  image9off = new Image();
  image9off.src = "images/hWarehouse1.gif";
  
  image10on = new Image();
  image10on.src = "images/hProductsO.gif";
  
  image10off = new Image();
  image10off.src = "images/hPex.gif";
  
  image11on = new Image();
  image11on.src = "images/hMapO.gif";
  
  image11off = new Image();
  image11off.src = "images/hMap.gif";
  
  image12on = new Image();
  image12on.src = "images/hLogo4MO.jpg";
  
  image12off = new Image();
  image12off.src = "images/hLogo4.jpg";
  

}
function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}






/*
Auto center window script- Eric King (http://redrival.com/eak/index.shtml)
Permission granted to Dynamic Drive to feature script in archive
For full source, usage terms, and 100's more DHTML scripts, visit http://dynamicdrive.com
*/

var win = null;
function NewWindow(mypage,myname,w,h,scroll){
LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings =
'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
win = window.open(mypage,myname,settings)
}