if (document.images) {

   /* ------ SIDE NAVIGATION IMAGES ------ */
    calendarbuttonup       = new Image();
    calendarbuttonup.src   = "calendarLINK.png" ;
    calendarbuttondown     = new Image() ;
    calendarbuttondown.src = "calendarLINK2.png" ;
     counselorbuttonup       = new Image();
    counselorbuttonup.src   = "counselorLINK.png" ;
    counselorbuttondown     = new Image() ;
    counselorbuttondown.src = "counselorLINK2.png" ;
     librarybuttonup       = new Image();
    librarybuttonup.src   = "libraryLINK.png" ;
    librarybuttondown     = new Image() ;
    librarybuttondown.src = "libraryLINK2.png" ;
     ptsabuttonup       = new Image();
    ptsabuttonup.src   = "ptsaLINK.png" ;
    ptsabuttondown     = new Image() ;
    ptsabuttondown.src = "ptsaLINK2.png" ;
     gradebookbuttonup       = new Image();
    gradebookbuttonup.src   = "gradebookLINK.png" ;
    gradebookbuttondown     = new Image() ;
    gradebookbuttondown.src = "gradebookLINK2.png" ;
     academicbuttonup       = new Image();
    academicbuttonup.src   = "academicLINK.png" ;
    academicbuttondown     = new Image() ;
    academicbuttondown.src = "academicLINK2.png" ;
     phonebuttonup       = new Image();
    phonebuttonup.src   = "phoneLINK.png" ;
    phonebuttondown     = new Image() ;
    phonebuttondown.src = "phoneLINK2.png" ;
     mascotbuttonup       = new Image();
    mascotbuttonup.src   = "mascotLINK.png" ;
    mascotbuttondown     = new Image() ;
    mascotbuttondown.src = "mascotLINK2.png" ;
     alumbuttonup       = new Image();
    alumbuttonup.src   = "alumLINK.png" ;
    alumbuttondown     = new Image() ;
    alumbuttondown.src = "alumLINK2.png" ;
     onlinebuttonup       = new Image();
    onlinebuttonup.src   = "onlineLINK.png" ;
    onlinebuttondown     = new Image() ;
    onlinebuttondown.src = "onlineLINK2.png" ;
     northbuttonup       = new Image();
    northbuttonup.src   = "northLINK.png" ;
    northbuttondown     = new Image() ;
    northbuttondown.src = "northLINK2.png" ;
    
  /* ------- END SIDE NAVIGATION IMAGES -------- */
    
  /* ------ MAIN NAVIGATION IMAGES ------ */  
  
     homebuttonup       = new Image();
    homebuttonup.src   = "homeBTN.png" ;
    homebuttondown     = new Image() ;
    homebuttondown.src = "homeBTN2.png" ;
     infobuttonup       = new Image();
    infobuttonup.src   = "infoBTN.png" ;
    infobuttondown     = new Image() ;
    infobuttondown.src = "infoBTN2.png" ;
     facultybuttonup       = new Image();
    facultybuttonup.src   = "facultyBTN.png" ;
    facultybuttondown     = new Image() ;
    facultybuttondown.src = "facultyBTN2.png" ;
     activitiesbuttonup       = new Image();
    activitiesbuttonup.src   = "activitiesBTN.png" ;
    activitiesbuttondown     = new Image() ;
    activitiesbuttondown.src = "activitiesBTN2.png" ;
     sportsbuttonup       = new Image();
    sportsbuttonup.src   = "sportsBTN.png" ;
    sportsbuttondown     = new Image() ;
    sportsbuttondown.src = "sportsBTN2.png" ;
     lisdhomebuttonup       = new Image();
    lisdhomebuttonup.src   = "lisdBTN.png" ;
    lisdhomebuttondown     = new Image() ;
    lisdhomebuttondown.src = "lisdBTN2.png" ;
     linksbuttonup       = new Image();
    linksbuttonup.src   = "linksBTN.png" ;
    linksbuttondown     = new Image() ;
    linksbuttondown.src = "linksBTN2.png" ;
    
    /* ---- END MAIN NAVIGATION IMAGES --- */
}
function buttondown( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "down.src" );
    }
}
function buttonup ( buttonname )
{
    if (document.images) {
      document[ buttonname ].src = eval( buttonname + "up.src" );
    }
}