if(document.images)
{
  var image_array = new Array();
	
  // path to the directory with images
  var path = 'images/button/';

  // enumeration of the "active" images
  image_array[0] = path + "buton_ana01.jpg";
  image_array[1] = path + "buton_hakkimda01.jpg";
  image_array[2] = path + "buton_kisiselGelisim01.jpg";  
  image_array[3] = path + "buton_kitaplar01.jpg";  
  image_array[4] = path + "buton_makaleler01.jpg";    
  image_array[5] = path + "buton_kongreler01.jpg";    
  image_array[6] = path + "buton_basindan00.jpg";  
  image_array[7] = path + "buton_iletisim01.jpg";    
  image_array[8] = path + "buton_linkler01.jpg";  
  image_array[9] = path + "button_film01.gif";  
  image_array[10] = path + "button_kahraman01.gif";  
  image_array[11] = path + "button_sevgi01.gif";  
  image_array[12] = path + "button_temas01.gif";    
  var preload_image = new Array ();
 
  for(var i=0; i<image_array.length; i++)
  {
    preload_image[i]= new Image();
    preload_image[i].src = image_array[i];
  }
}