if(document.images) {
	but = new Array(); 

	for(i = 1; i <= 21; i++) {
		but[i] = new Image();
	}

	but[1].src = "img/sk/menu/produkty.png"; 
	but[2].src = "img/sk/menu/produkty_m.png";

	but[3].src = "img/sk/menu/riesenia.png";
	but[4].src = "img/sk/menu/riesenia_m.png";

	but[5].src = "img/sk/menu/sluzby.png";
	but[6].src = "img/sk/menu/sluzby_m.png";

	but[7].src = "img/sk/menu/referencie.png";
	but[8].src = "img/sk/menu/referencie_m.png";

	but[9].src = "img/sk/menu/onas.png";
	but[10].src = "img/sk/menu/onas_m.png";

	but[11].src = "img/en.png";
	but[12].src = "img/en_m.png";
	but[13].src = "img/sk.png";
	but[14].src = "img/sk_m.png";

	but[15].src = "img/sk/menu/mapa_stranok.png";
	but[16].src = "img/sk/menu/mapa_stranok_m.png";
	
	but[17].src = "img/sk/menu/produkty_ms.png"; 
	but[18].src = "img/sk/menu/riesenia_ms.png";
	but[19].src = "img/sk/menu/sluzby_ms.png";
	but[20].src = "img/sk/menu/referencie_ms.png";
	but[21].src = "img/sk/menu/onas_ms.png";
  
  mi = new Array();

  var j;
  for(j = 1; j <= 5; j++)
  {
    mi[j] = new Array();
    for(i = 0; i <= 9; i++)
    {
		  mi[j][i] = new Image();
	  }
	}
	
	mi[1][0].src = "img/sk/menu/produkty/nova_cms.png";
	mi[1][1].src = "img/sk/menu/produkty/nova_cms_m.png";
	mi[1][2].src = "img/sk/menu/produkty/nova_orders.png";
	mi[1][3].src = "img/sk/menu/produkty/nova_orders_m.png";
	mi[1][4].src = "img/sk/menu/produkty/nova_perspective.png";
	mi[1][5].src = "img/sk/menu/produkty/nova_perspective_m.png";
	mi[1][6].src = "img/sk/menu/produkty/nova_testing.png";
	mi[1][7].src = "img/sk/menu/produkty/nova_testing_m.png";
	
	mi[2][0].src = "img/sk/menu/riesenia/webove_aplikacie.png";
	mi[2][1].src = "img/sk/menu/riesenia/webove_aplikacie_m.png";
	mi[2][2].src = "img/sk/menu/riesenia/firemne_prezentacie.png";
	mi[2][3].src = "img/sk/menu/riesenia/firemne_prezentacie_m.png";
	mi[2][4].src = "img/sk/menu/riesenia/graficke_prace.png";
	mi[2][5].src = "img/sk/menu/riesenia/graficke_prace_m.png";
	mi[2][6].src = "img/sk/menu/riesenia/audit_web_systemov.png";
	mi[2][7].src = "img/sk/menu/riesenia/audit_web_systemov_m.png";	
  
  mi[3][0].src = "img/sk/menu/sluzby/domeny.png";
	mi[3][1].src = "img/sk/menu/sluzby/domeny_m.png";
	mi[3][2].src = "img/sk/menu/sluzby/socialne_siete.png";
	mi[3][3].src = "img/sk/menu/sluzby/socialne_siete_m.png";
	mi[3][4].src = "img/sk/menu/sluzby/internetove_kampane.png";
	mi[3][5].src = "img/sk/menu/sluzby/internetove_kampane_m.png";
	mi[3][6].src = "img/sk/menu/sluzby/seo.png";
	mi[3][7].src = "img/sk/menu/sluzby/seo_m.png";
	mi[3][8].src = "img/sk/menu/sluzby/katalogy.png";
	mi[3][9].src = "img/sk/menu/sluzby/katalogy_m.png";
	
 	mi[4][0].src = "img/sk/menu/referencie/modelove_riesenia.png";
	mi[4][1].src = "img/sk/menu/referencie/modelove_riesenia_m.png";
	mi[4][2].src = "img/sk/menu/referencie/realizovane_projekty.png";
	mi[4][3].src = "img/sk/menu/referencie/realizovane_projekty_m.png";
	mi[4][4].src = "img/sk/menu/referencie/najziadanejsie_sluzby.png";
	mi[4][5].src = "img/sk/menu/referencie/najziadanejsie_sluzby_m.png";
	mi[4][6].src = "img/sk/menu/referencie/klienti.png";
	mi[4][7].src = "img/sk/menu/referencie/klienti_m.png";
	
  mi[5][0].src = "img/sk/menu/onas/kto_sme.png";
	mi[5][1].src = "img/sk/menu/onas/kto_sme_m.png";
	mi[5][2].src = "img/sk/menu/onas/profil.png";
	mi[5][3].src = "img/sk/menu/onas/profil_m.png";
	mi[5][4].src = "img/sk/menu/onas/pracovne_postupy.png";
	mi[5][5].src = "img/sk/menu/onas/pracovne_postupy_m.png";
	mi[5][6].src = "img/sk/menu/onas/kariera.png";
	mi[5][7].src = "img/sk/menu/onas/kariera_m.png";	
	mi[5][8].src = "img/sk/menu/onas/partneri.png";
	mi[5][9].src = "img/sk/menu/onas/partneri_m.png";	
	
}

  var miindex;
  miindex = new Array();
  
  miindex[1] = "produkty";
  miindex[2] = "riesenia";
  miindex[3] = "sluzby";
  miindex[4] = "referencie";
  miindex[5] = "onas";


function menuPrimary(itemId) {

   for(i=1;i<=5;i++)		
   {
      if ( itemId == miindex[i] )
      { document.images[miindex[i]].src = but[16+i].src; }
      else
      { document.images[miindex[i]].src = but[(i*2)-1].src; }   	
   }

}

function menuItem(iFrom,iSub,iTo) {

  var x;
  x = miindex.indexOf(iSub);
  if ( x == -1 ) { x = 1 }
   

  if(document.images) {
		document.images[iFrom].src = mi[x][iTo].src;
	}
}

function changePic(iFrom,iTo) {
  if(document.images) {
		document.images[iFrom].src = but[iTo].src;
	}
}