// Creating Images and setting up their src properties
if (document.images)
{
btnUSGShome_on      = new Image
btnUSGShome_on.src  ="/htmls/pub/images/nyhome_on.gif"
btnUSGShome_off     = new Image
btnUSGShome_off.src ="/htmls/pub/images/nyhome_off.gif"

btnMapPub_on      = new Image
btnMapPub_on.src  ="/htmls/pub/images/mapspubs_on.gif"
btnMapPub_off     = new Image
btnMapPub_off.src ="/htmls/pub/images/mapspubs_off.gif"

btnSchools_on      = new Image
btnSchools_on.src  ="/htmls/pub/images/schools_on.gif"
btnSchools_off     = new Image
btnSchools_off.src ="/htmls/pub/images/schools_off.gif"

btnProjects_on      = new Image
btnProjects_on.src  ="/htmls/pub/images/projects_on.gif"
btnProjects_off     = new Image
btnProjects_off.src ="/htmls/pub/images/projects_off.gif"

btnData_on      = new Image
btnData_on.src  ="/htmls/pub/images/data_on.gif"
btnData_off     = new Image
btnData_off.src ="/htmls/pub/images/data_off.gif"

btnAboutUs_on      = new Image
btnAboutUs_on.src  ="/htmls/pub/images/aboutus_on.gif"
btnAboutUs_off     = new Image
btnAboutUs_off.src ="/htmls/pub/images/aboutus_off.gif"

btnAdditional_on      = new Image
btnAdditional_on.src	="/htmls/pub/images/additional_on.gif"
btnAdditional_off     = new Image
btnAdditional_off.src ="/htmls/pub/images/additional_off.gif"
}

// roll over ON function
function rollOn(imgName)
{
  if (document.images)
  {
   document[imgName].src=eval(imgName + "on.src");
  }
}

// roll over OFF function
function rollOff(imgName)
{
  if (document.images)
  {
   document[imgName].src=eval(imgName + "off.src");
  }
}
// -----------------------