$(document).ready(function()
 {
 
//$(".header-publication").slideDown();
$(".header-publication").animate({ width: 'show' });
$(".btn-home").mouseover(function ()
{
$(this).addClass("btn-home-on");
});

$(".btn-home").mouseout(function ()
{
$(this).removeClass("btn-home-on");
});

$(".btn-publication").mouseover(function ()
{
$(this).addClass("btn-publication-on");
});

$(".btn-publication").mouseout(function ()
{
$(this).removeClass("btn-publication-on");
});

$(".btn-research").mouseover(function ()
{
$(this).addClass("btn-research-on");
});

$(".btn-research").mouseout(function ()
{
$(this).removeClass("btn-research-on");
});

$(".btn-teaching").mouseover(function ()
{
$(this).addClass("btn-teaching-on");
});

$(".btn-teaching").mouseout(function ()
{
$(this).removeClass("btn-teaching-on");
});
 
 
$(".header-about-ada").toggle(function(){$(".home-intro").slideDown(); $(".home-contact").hide();},
  function(){$(".home-intro").slideUp();
});
$(".header-contact-info").toggle(function(){$(".home-contact").slideDown();$(".home-intro").hide();},
  function(){$(".home-contact").slideUp();
});
 });