if (document.images) {
  admission_hi = new Image();
  admission_hi.src = working_url + "private/design/image/admissiongray.gif";
  admission_lo = new Image();
  admission_lo.src = working_url + "private/design/image/admission.gif";
  undergraduate_hi = new Image();
  undergraduate_hi.src = working_url + "private/design/image/undergraduategray.gif";
  undergraduate_lo = new Image();
  undergraduate_lo.src = working_url + "private/design/image/undergraduate.gif";
  graduate_hi = new Image();
  graduate_hi.src = working_url + "private/design/image/graduategray.gif";
  graduate_lo = new Image();
  graduate_lo.src = working_url + "private/design/image/graduate.gif";
  academic_hi = new Image();
  academic_hi.src = working_url + "private/design/image/academicgray.gif";
  academic_lo = new Image();
  academic_lo.src = working_url + "private/design/image/academic.gif";
  faculty_hi = new Image();
  faculty_hi.src = working_url + "private/design/image/facultygray.gif";
  faculty_lo = new Image();
  faculty_lo.src = working_url + "private/design/image/faculty.gif";
  research_hi = new Image();
  research_hi.src = working_url + "private/design/image/researchgray.gif";
  research_lo = new Image();
  research_lo.src = working_url + "private/design/image/research.gif";
  institutes_hi = new Image();
  institutes_hi.src = working_url + "private/design/image/institutesgray.gif";
  institutes_lo = new Image();
  institutes_lo.src = working_url + "private/design/image/institutes.gif";
  about_hi = new Image();
  about_hi.src = working_url + "private/design/image/aboutgray.gif";
  about_lo = new Image();
  about_lo.src = working_url + "private/design/image/about.gif";
}


function changeImages() {
  if (document.images) {
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}