// Creating Images and setting up their src properties
if (document.images)
{

// POPUP
btnCloseWindow_over         = new Image
btnCloseWindow_over.src     ="/images/btnCloseWindow_over.gif"
btnCloseWindow_off          = new Image
btnCloseWindow_off.src      ="/images/btnCloseWindow_off.gif"

btnCloseEsp_over         = new Image
btnCloseEsp_over.src     ="/images/btnCloseEsp_over.gif"
btnCloseEsp_off          = new Image
btnCloseEsp_off.src      ="/images/btnCloseEsp_off.gif"

}


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

// 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");
  }
}
// -----------------------