function newImage( imgSrc ){
 
 var imgName = new Image();
 imgName.src = imgSrc;
 
 return imgName;

}

function active( imgName )
{
 if ( document.images && (preloadFlag == true))
 {
  if ( level == 1 )
  {
   document[imgName].src = "images/menu-" + imgName + "-over.gif" ;
  }
  else if (level == 2)
  {
   document[imgName].src = "../images/menu-" + imgName + "-over.gif" ;
  }
  else if (level == 3)
  {
   document[imgName].src = "../../images/menu-" + imgName + "-over.gif" ;
  }
 }
}

function inactive( imgName )
{
 if ( document.images && (preloadFlag == true) )
 {
  if ( level == 1 )
  {
   document[imgName].src = "images/menu-" + imgName + ".gif" ;
  }
  else if ( level == 2 )
  {
   document[imgName].src = "../images/menu-" + imgName + ".gif" ;
  }
  else if (level==3)
  {
   document[imgName].src = "../../images/menu=" + imgName + ".gif";
  }
 }
}

var preloadFlag = false;
function loadImages()
{
 if (document.images)
 {
 
  //****Edit this list to include vertical rollover images ****
  //****Example: aboutus_over = newImage( "images/menu-aboutus-over.gif" );
  academicOver = newImage("images/menu-academic-over.gif");
  facultyOver = newImage("images/menu-faculty-over.gif");
  studentsOver = newImage("images/menu-students-over.gif");
  coursesOver = newImage("images/menu-courses-over.gif");
  researchOver = newImage("images/menu-research-over.gif");
  careerOver = newImage("images/menu-career-over.gif");
  
  preloadFlag = true;
 }
}