function oc__keres(x) {
  x.submit();
  return;
}
function oc__ballapoz(x) {
  x.lap.value--;
  x.submit();
  return;
}
function oc__jobblapoz(x) {
  x.lap.value++;
  x.submit();
  return;
}
function oc__dbvalt(x,ertek) {
  x.dbperlap.value=ertek;
  x.submit();
  return;
}
function oc__oldal(x,ertek) {
  x.lap.value=ertek;
  x.submit();
  return;
}
function oc__selectal(mezo,valtozo)
{
  for (var cv=0; cv<mezo.length; cv++)
  {
    if (mezo.options[cv].value==valtozo) {
      mezo.options[cv].selected=true;
    }
  }
  return(true);  
}
function oc__dw(x) {
  document.writeln(x);
}
function kiFejlecKep(kep) {
  if (kep=="") { return; }
  if (kep.substring(kep.length-3,kep.length)=="jpg") {
  	document.getElementById("fejlecKep").src=kep;
  } else {
    var fo=new FlashObject(kep, "flashobject", "755", "126", "8", "#FFFFFF");
    fo.write("flashcontent");	
  }
}
function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

// Opacity and Fade in script.
// Script copyright (C) 2008 http://www.cryer.co.uk/.
// Script is free to use provided this copyright header is included.
function SetOpacity(object,opacityPct)
{
  // IE.
  object.style.filter = 'alpha(opacity=' + opacityPct + ')';
  // Old mozilla and firefox
  object.style.MozOpacity = opacityPct/100;
  // Everything else.
  object.style.opacity = opacityPct/100;
}
function ChangeOpacity(id,msDuration,msStart,fromO,toO)
{
  var element=document.getElementById(id);
  var opacity = element.style.opacity * 100;
  var msNow = (new Date()).getTime();
  opacity = fromO + (toO - fromO) * (msNow - msStart) / msDuration;
  if (opacity<0) 
    SetOpacity(element,0)
  else if (opacity>100)
    SetOpacity(element,100)
  else
  {
    SetOpacity(element,opacity);
    element.timer = window.setTimeout("ChangeOpacity('" + id + "'," + msDuration + "," + msStart + "," + fromO + "," + toO + ")",1);
  }
}
function FadeIn(id)
{
  var element=document.getElementById(id);
  if (element.timer) window.clearTimeout(element.timer); 
  var startMS = (new Date()).getTime();
  element.timer = window.setTimeout("ChangeOpacity('" + id + "',1000," + startMS + ",0,100)",1);
}
function FadeOut(id)
{
  var element=document.getElementById(id);
  if (element.timer) window.clearTimeout(element.timer); 
  var startMS = (new Date()).getTime();
  element.timer = window.setTimeout("ChangeOpacity('" + id + "',1000," + startMS + ",100,0)",1);
}
function FadeInImage(foregroundID,newImage,backgroundID)
{
  var foreground=document.getElementById(foregroundID);
  if (backgroundID)
  {
    var background=document.getElementById(backgroundID);
    if (background)
    {
      background.style.backgroundImage = 'url(' + foreground.src + ')';
      background.style.backgroundRepeat = 'no-repeat';
    }
  }
  SetOpacity(foreground,0);
  foreground.src = newImage;
  if (foreground.timer) window.clearTimeout(foreground.timer); 
  var startMS = (new Date()).getTime();
  foreground.timer = window.setTimeout("ChangeOpacity('" + foregroundID + "',1000," + startMS + ",0,100)",10);
}
var kepek=new Array(4);
kepek[0]="gfx/header.png";
kepek[1]="gfx/header2.png";
kepek[2]="gfx/header3.png";
kepek[3]="gfx/header4.png";
kepek[4]="gfx/header5.png";
var utolsoKep=0;
function chgKep() {
  do {
    num=Math.floor(Math.random()*4);
  } while(num==utolsoKep);
  utolsoKep=num;
  FadeInImage('fejlecKep',kepek[num],'divFejlec');
  setTimeout("chgKep()",3000);
}
function startKep() {
  setTimeout("chgKep()",3000);	
}
