function $(element)
{
  return document.getElementById(element);
}
function submenuOver(element)
{
  $(element).style.background = 'transparent url(/images/submenu-bg-' + element.toLowerCase() + '-on.gif) bottom left no-repeat;';
}
function submenuOut(element)
{
  $(element).style.background = 'transparent url(/images/submenu-bg-' + element.toLowerCase() + '.gif) bottom left no-repeat;';
}
function submenuButtonOver(element)
{
  $(element + 'Go').src = '/images/button-go-' + element.toLowerCase() + '-on.gif';
}
function submenuButtonOut(element)
{
  $(element + 'Go').src = '/images/button-go-' + element.toLowerCase() + '.gif';
}
function searchButtonOver()
{
  $('SearchButton').src = '/images/button-search-on.gif';
}
function searchButtonOut()
{
  $('SearchButton').src = '/images/button-search.gif';
}
function loginButtonOver()
{
  $('LoginButton').src = '/images/button-login-on.gif';
}
function loginButtonOut()
{
  $('LoginButton').src = '/images/button-login.gif';
}
var studentsbgon = new Image();
studentsbgon.src = '/images/submenu-bg-students-on.gif';
var facultybgon = new Image();
facultybgon.src = '/images/submenu-bg-faculty-on.gif';
var advisorsbgon = new Image();
advisorsbgon.src = '/images/submenu-bg-advisors-on.gif';
var studentsgoon = new Image();
studentsgoon.src = '/images/button-go-students-on.gif';
var facultygoon = new Image();
facultygoon.src = '/images/button-go-faculty-on.gif';
var advisorsgoon = new Image();
advisorsgoon.src = '/images/button-go-advisors-on.gif';
var searchbuttonon = new Image();
searchbuttonon.src = '/images/button-search-on.gif';
var loginbuttonon = new Image();
loginbuttonon.src = '/images/button-login-on.gif';