function lngCheck(sLng, curLoc, sSql)
{
var myLoc = ""
var bgLoc = ""
var edLoc = ""
var myIndx = 0
var newLoc = ""
var myLen = 0
var slangId = ""

    if(sLng == "")
    {
      sLng = document.all.lngId.value;
    }
    if(sLng == "pl")
    {
      alert('Przepraszamy, poparcie jezyka polckiego znajdoje sie w opracowaniu.');
      sLng = "uk";
    }

//alert('Мова ' + sLng);

    document.all.lngId.value=sLng;

    slangId = "?langId=" + sLng;

    myLoc = new String(curLoc);
    myLen = myLoc.length;

    myIndx = myLoc.lastIndexOf("?") + 1;

    if(myIndx > 0)
    {
      myLoc = myLoc.slice(0, myIndx - 1);
    }

    myIndx = myLoc.lastIndexOf("/") + 1;
    bgLoc = myLoc.slice(0, myIndx);
    edLoc = myLoc.slice(myIndx);

    if(myIndx == myLen)
    {
      edLoc = "index.php";
      myLoc = myLoc + edLoc
    }

    return myLoc + slangId;

}