if (document.images)
{
  img_hledej_on         = new Image();  img_hledej_on.src         = "img/search_on.png";
  img_hledej_off        = new Image();  img_hledej_off.src        = "img/search_off.png";
  img_sitemap_on        = new Image();  img_sitemap_on.src        = "img/top_menu_item6_on.png";
  img_sitemap_off       = new Image();  img_sitemap_off.src       = "img/top_menu_item6_off.png";
  img_print_on          = new Image();  img_print_on.src          = "img/top_menu_item7_on.png";
  img_print_off         = new Image();  img_print_off.src         = "img/top_menu_item7_off.png";
  img_ok_novinky_on     = new Image();  img_ok_novinky_on.src     = "img/btnok_on.gif";
  img_ok_novinky_off    = new Image();  img_ok_novinky_off.src    = "img/btnok_off.gif";
  img_ok_login_on       = new Image();  img_ok_login_on.src       = "img/btnok_on.gif";
  img_ok_login_off      = new Image();  img_ok_login_off.src      = "img/btnok_off.gif";
  img_shopingcart_preview_tocart_on       = new Image();  img_shopingcart_preview_tocart_on.src       = "img/shopingcart_preview_tocart_on.gif";
  img_shopingcart_preview_tocart_off      = new Image();  img_shopingcart_preview_tocart_off.src      = "img/shopingcart_preview_tocart_off.gif";
  img_shopingcart_preview_delete_on       = new Image();  img_shopingcart_preview_delete_on.src       = "img/shopingcart_preview_delete_on.gif";
  img_shopingcart_preview_delete_off      = new Image();  img_shopingcart_preview_delete_off.src      = "img/shopingcart_preview_delete_off.gif";
  img_shopingcart_on       = new Image();  img_shopingcart_on.src       = "img/shopingcart_on.gif";
  img_shopingcart_off      = new Image();  img_shopingcart_off.src      = "img/shopingcart_off.gif";
}