//=======================================================================
// over_img.js
//
// Universal version.
//
//=======================================================================

var oiBuf=null;
var oiCap=false;
var oiInitDone = false;
function oiPreload(){
	/*

  oiRegister('search1','images/btn-ok.gif','images/btn-ok-b.gif');
  oiRegister('mailing1','images/btn-ok.gif','images/btn-ok-b.gif');
  oiRegister('rez1','images/btn-ok.gif','images/btn-ok-b.gif');

  oiRegister('menu2','menu/sk/menu-sk_02.jpg','menu/sk/menu-b-sk_02.jpg');
  oiRegister('menu3','menu/sk/menu-sk_03.jpg','menu/sk/menu-b-sk_03.jpg');
  oiRegister('menu4','menu/sk/menu-sk_04.jpg','menu/sk/menu-b-sk_04.jpg');
  oiRegister('menu5','menu/sk/menu-sk_05.jpg','menu/sk/menu-b-sk_05.jpg');
  oiRegister('menu6','menu/sk/menu-sk_06.jpg','menu/sk/menu-b-sk_06.jpg');
  */

  oiRegister('langset1','images/langset_01.gif','images/langset-b_01.gif');
  oiRegister('langset2','images/langset_02.gif','images/langset-b_02.gif');
  oiRegister('langset3','images/langset_03.gif','images/langset-b_03.gif');
  oiRegister('langset4','images/langset_04.gif','images/langset-b_04.gif');

  oiRegister('restika1','images/restico/rest-ico-sk_01.jpg','images/restico/rest-ico-sk-b_01.jpg');
  oiRegister('restika2','images/restico/rest-ico-sk_02.jpg','images/restico/rest-ico-sk-b_02.jpg');
  oiRegister('restika3','images/restico/rest-ico-sk_03.jpg','images/restico/rest-ico-sk-b_03.jpg');
  oiRegister('restika4','images/restico/rest-ico-sk_04.jpg','images/restico/rest-ico-sk-b_04.jpg');

  oiRegister('down1','images/sk/ico-doc_01.gif','images/sk/ico-doc-b_01.gif');
  oiRegister('down2','images/sk/ico-doc_02.gif','images/sk/ico-doc-b_02.gif');
  oiRegister('down3','images/sk/ico-doc_03.gif','images/sk/ico-doc-b_03.gif');
  oiRegister('down4','images/sk/btn-akciaubyt.jpg','images/sk/btn-akciaubyt-over.jpg');
  oiRegister('down5','images/sk/ico-doc_05.gif','images/sk/ico-doc-b_05.gif');
  oiRegister('down6','images/sk/ico-doc_06.gif','images/sk/ico-doc-b_06.gif');
  oiRegister('down7','images/sk/ico-doc_07.gif','images/sk/ico-doc-b_07.gif');
  oiRegister('down8','images/sk/btn-svadba.jpg','images/sk/btn-svadba-over.jpg');
  oiRegister('down9','images/sk/ico-doc_09.gif','images/sk/ico-doc-b_09.gif');
  oiRegister('down10','images/sk/btn-skoly.jpg','images/sk/btn-skoly-over.jpg');
  oiRegister('down11','images/sk/btn-lyzpretek.jpg','images/sk/btn-lyzpretek-over.jpg');
  oiRegister('down12','images/sk/btn_western.gif','images/sk/btn_western_over.gif');
  oiRegister('down13','images/sk/btn-wellness.jpg','images/sk/btn-wellness-over.jpg');

  oiRegister('down14','images/sk/btn-lskoly.jpg','images/sk/btn-lskoly-over.jpg');
  oiRegister('down15','images/sk/btn-skola.jpg','images/sk/btn-skola-over.jpg');

/*  oiRegister('down16','images/sk/btn-wachumba.jpg','images/sk/btn-wachumba-over.jpg'); */
  oiRegister('down17','images/sk/btn-jarnytabor.jpg','images/sk/btn-jarnytabor-over.jpg');
  oiRegister('down18','images/sk/btn-snowboard.jpg','images/sk/btn-snowboard-over.jpg');
  oiRegister('down19','images/sk/btn-wachumba-tabory.jpg','images/sk/btn-wachumba-tabory-over.jpg');
  oiRegister('down20','images/sk/btn-hopsasa.jpg','images/sk/btn-hopsasa-over.jpg');
  oiRegister('darcek','images/sk/btn-tip-na-darcek.jpg','images/sk/btn-tip-na-darcek-over.jpg');

}
function oiInit()
{
  var browserName=navigator.appName;
  var browserVersion=parseInt(navigator.appVersion);

  oiCap=
    (browserName.indexOf("Netscape")>=0 && browserVersion>=3) ||
	(browserName.indexOf("Opera")>=0 && browserVersion>=6) ||
    (browserName.indexOf("Internet Explorer")>=0 && browserVersion>=4);
    oiInitDone=true;

}

function oiIsCapability()
{
  if (!oiInitDone) oiInit();
  return oiCap;
}

function oiRegister(id,normalSrc,overSrc,downSrc)
{
  if (!oiInitDone) oiInit();

  if (oiCap)
  {
    if (overSrc==null)   overSrc=normalSrc;
    if (downSrc==null)   downSrc=overSrc;

    oiBuf=new Array(id,true,new Image(),new Image(),new Image());
    oiBuf[2].src=normalSrc;
    oiBuf[3].src=overSrc;
    oiBuf[4].src=downSrc;
    eval("oiObj"+id+"=oiBuf");
  }
}

function oiSetNormal(id,msg)
{
  if (oiCap)
  {
    var regObj=eval("oiObj"+id);
    if (regObj[1])
      document[id].src=regObj[2].src;
  }
  //window.status=msg;
}

function oiSetOver(id,msg)
{
	//window.status=msg;
  if (oiCap)
  {
    var regObj=eval("oiObj"+id);
    if (regObj[1])
      document[id].src=regObj[3].src;
  }
  return true;
}

function oiSetDown(id)
{
  if (oiCap)
  {
    var regObj=eval("oiObj"+id);
    if (regObj[1])
      document[id].src=regObj[4].src;
  }
}

function oiLock(id)
{
  if (oiCap)
    eval("oiObj"+id)[1]=false;
}

function oiUnlock(id)
{
  if (oiCap)
    eval("oiObj"+id)[1]=true;
}