function goster()
{
 document.getElementById('buton').style.backgroundImage='url(images/anasayfa.jpg)';
 document.getElementById('buton').style.color='red';

} 
function gizle()
{
 document.getElementById('buton').style.backgroundImage='url(images/anasayfa.jpg)';
 document.getElementById('buton').style.color='white';


} 
function goster2()
{
 document.getElementById('butonh').style.backgroundImage='url(images/hak.jpg)';
 document.getElementById('butonh').style.color='red';

} 
function gizle2()
{
 document.getElementById('butonh').style.backgroundImage='url(images/hak.jpg)';
 document.getElementById('butonh').style.color='white';

} 
function goster3()
{
 document.getElementById('butonu').style.backgroundImage='url(images/urun.jpg)';
 document.getElementById('butonu').style.color='red';

} 
function gizle3()
{
 document.getElementById('butonu').style.backgroundImage='url(images/urun.jpg)';
  document.getElementById('butonu').style.color='white';

} 

function goster4()
{
 document.getElementById('butonr').style.backgroundImage='url(images/ref.jpg)';
 document.getElementById('butonr').style.color='red';

} 
function gizle4()
{
 document.getElementById('butonr').style.backgroundImage='url(images/ref.jpg)';
 document.getElementById('butonr').style.color='white';

} 

function goster5()
{
 document.getElementById('butoni').style.backgroundImage='url(images/ilet.jpg)';
 document.getElementById('butoni').style.color='red';

} 
function gizle5()
{
 document.getElementById('butoni').style.backgroundImage='url(images/ilet.jpg)';
 document.getElementById('butoni').style.color='white';

}