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

// BULLETIN -- Home
btnOnlineExHome_over			= new Image
btnOnlineExHome_over.src		="/images/bulletin/may2006/btnOnlineExHome_over.gif"
btnOnlineExHome_off				= new Image
btnOnlineExHome_off.src			="/images/bulletin/may2006/btnOnlineExHome_off.gif"

btnCechHome_over				= new Image
btnCechHome_over.src			="/images/bulletin/may2006/btnCechHome_over.gif"
btnCechHome_off					= new Image
btnCechHome_off.src				="/images/bulletin/may2006/btnCechHome_off.gif"

btnEntertainHome_over			= new Image
btnEntertainHome_over.src		="/images/bulletin/may2006/btnEntertainHome_over.gif"
btnEntertainHome_off			= new Image
btnEntertainHome_off.src		="/images/bulletin/may2006/btnEntertainHome_off.gif"

btnTeachersHome_over			= new Image
btnTeachersHome_over.src		="/images/bulletin/may2006/btnTeachersHome_over.gif"
btnTeachersHome_off				= new Image
btnTeachersHome_off.src			="/images/bulletin/may2006/btnTeachersHome_off.gif"

// BULLETIN -- Upfront
btnAntigens_over				= new Image
btnAntigens_over.src			="/images/bulletin/may2006/btnAntigens_over.gif"
btnAntigens_off					= new Image
btnAntigens_off.src				="/images/bulletin/may2006/btnAntigens_off.gif"

// BULLETIN -- Chronicle
btnProfessors_over				= new Image
btnProfessors_over.src			="/images/bulletin/may2006/btnProfessors_over.gif"
btnProfessors_off				= new Image
btnProfessors_off.src			="/images/bulletin/may2006/btnProfessors_off.gif"

// BULLETIN -- Perspectives
btnEntertain_over				= new Image
btnEntertain_over.src			="/images/bulletin/may2006/btnEntertain_over.gif"
btnEntertain_off				= new Image
btnEntertain_off.src			="/images/bulletin/may2006/btnEntertain_off.gif"

btnTeachers_over				= new Image
btnTeachers_over.src			="/images/bulletin/may2006/btnTeachers_over.gif"
btnTeachers_off					= new Image
btnTeachers_off.src				="/images/bulletin/may2006/btnTeachers_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");
  }
}
// -----------------------