<!-- start JS hide

if (document.images)
  {
  // browser supports Image object, so preload all images
  pu_blank     = new Image()
  pu_blank.src = "pu.gif"   // blank popup image
  pu_duct      = new Image()
  pu_duct.src  = "duct_cleaning.gif"    // DUCT popup image
  duct         = new Image()
  duct.src     = "button-clearFX.gif"       // up DUCT image
  duct_on      = new Image()
  duct_on.src  = "button-down.gif"    // down DUCT image
  pu_clients      = new Image()
  pu_clients.src  = "clients.gif"    // CLIENTS popup image  
  clients        = new Image()
  clients.src    = "button-clearFX.gif"      // up CLIENTs image
  clients_on     = new Image()
  clients_on.src = "button-down.gif"   // down CLIENTs image
  pu_iaq      = new Image()
  pu_iaq.src  = "iaq.gif"    // IAQ popup image
  iaq         = new Image()
  iaq.src     = "button-clearFX.gif"       // up IAQ image
  iaq_on      = new Image()
  iaq_on.src  = "button-down.gif"    // down IAQ image
  pu_mold      = new Image()
  pu_mold.src  = "mold.gif"    // MOLD popup image
  mold         = new Image()
  mold.src     = "button-clearFX.gif"       // up MOLD image
  mold_on      = new Image()
  mold_on.src  = "button-down.gif"    // down MOLD image
  pu_water_damage      = new Image()
  pu_water_damage.src  = "water_damage.gif"    // WATER DAMAGE popup image
  water_damage         = new Image()
  water_damage.src     = "button-clearFX.gif"       // up WATER DAMAGE image
  water_damage_on      = new Image()
  water_damage_on.src  = "button-down.gif"    // down WATER DAMAGE image

  }
else
  {
  // browser does NOT support Image object, so set all image vals to ""
  // to prevent errors from arising in onMouseOver/onMouseOut handlers
  pu_blank = ""; pu_home = ""
  duct = ""; duct_on = ""
  clients = ""; clients_on = ""
  iaq = ""; iaq_on = "";
  mold = ""; mold_on = ""
  document.ductImg = ""; document.clientsImg = ""
  document.iaqImg = ""; document.moldImg = ""; document.popupImg = ""
  }

// end JS hide -->