var PreloadFlag = false;
var aimages = new Array();

function preloadimages()
{
  if (document.images)
  {
    aimages[0] = new Image();
    aimages[0].src = 'img/images/button_1.jpg';
    aimages[1] = new Image();
    aimages[1].src = 'img/images/button_2.jpg';
    aimages[2] = new Image();
    aimages[2].src = 'img/images/button_1b.jpg';
    aimages[3] = new Image();
    aimages[3].src = 'img/images/button_2b.jpg';
    aimages[4] = new Image();
    aimages[4].src = 'img/images/button_ok.gif';
    aimages[9] = new Image();
    aimages[9].src = 'img/buttons/buttonstart_1.gif';
    aimages[10] = new Image();
    aimages[10].src = 'img/buttons/buttonstart_1a.gif';
    aimages[11] = new Image();
    aimages[11].src = 'img/images/error.gif';
    aimages[12] = new Image();
    aimages[12].src = 'img/images/clock.gif';
    aimages[13] = new Image();
    aimages[13].src = 'img/buttons/forward.gif';
    aimages[14] = new Image();
    aimages[14].src = 'img/buttons/forward_off.gif';
    PreloadFlag = true;
  }
}

function changePic(objId, picName)
{
    document.getElementById(objId).src = picName;
}

function uzenet(id, ertek)
{
  document.getElementById(id).style.display = ertek;
  var obj = document.getElementById("urlap");
  if (obj != null)
  {
    obj.style.display = "none";
    obj.style.visibility = "hidden";
  }
}

function changeBox(itemId, tdObj)
{
  var x = eval('document.forms[0].' + itemId);
  if (x.value == "true")
  {
    x.value = "";
    tdObj.style.backgroundImage='';
    tdObj.style.backgroundRepeat='no-repeat';
    tdObj.style.backgroundPosition='center left';
  }
  else
  {
    x.value = "true";
    tdObj.style.backgroundImage='url(img/images/button_ok.gif)';
    tdObj.style.backgroundRepeat='no-repeat';
    tdObj.style.backgroundPosition='bottom right';
  }
}

function nagybetu(obj)
{
  //obj.value = obj.value.toUpperCase();
}

function ujratoltes()
{
  setTimeout( "refresh()", 5*1000 );
}

function refresh()
{
  parent.location.href = "StartModule.mod";
}

function changeColor(obj, szin)
{
  obj.style.color = szin;
}

function hibajelzes()
{
  var obj = document.getElementById("hiba");
  if (obj != null)
  {
    setTimeout( "hibajelzesOff()", 7*1000 );
  }
}

function hibajelzesOff()
{
  var obj = document.getElementById("urlap");
  if (obj != null)
  {
    obj.style.display = "block";
    obj.style.visibility = "visible";
  }

  var obj = document.getElementById("hiba");
  obj.style.display = "none";
}

function radioClear()
{
    var obj = document.getElementsByTagName("input");
    for (i = 0; i < obj.length; i++)
    {
        if (obj[i].getAttribute("type") == "radio")
        {
            obj[i].checked = false;
        }
    }
}