myi = new Image();

window.onresize = function (){
  var x = GetWidth();
  var y = GetHeight();
  if (y>x) { 
    document.getElementById("nk").style.width=x-80;
    var arany=document.getElementById("nk").width/myi.width;
    var tmp = myi.height;
    document.getElementById("nk").style.height=tmp*arany;
  }
  if (y<x) { 
    document.getElementById("nk").style.height=y-80;
    var arany=document.getElementById("nk").height/myi.height;
    var tmp = myi.width;
    document.getElementById("nk").style.width=tmp*arany;
  }
}
function openimage(f) {
  myi.src = f; 

    var x = GetWidth();
    var y = GetHeight();
    if (y>x) { 
      document.getElementById("nk").width=x-80;
    }
    if (y<x) { 
      document.getElementById("nk").height=y-80;
    }
    document.getElementById("nk").src=f;
    changeOpac(60, "all");
    document.getElementById("image").style.display="block";
    changeOpac(200, "image");
}
function closeimage() {
  document.getElementById("image").style.display="none";
  changeOpac(100, "all");
  changeOpac(0, "image");
}

function changeOpac(opacity, id) {
    var object = document.getElementById(id).style;

    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")"; 

}

function allFadeIn(id, millisec) {
	var object = document.getElementById(id).style;
	var opacity = object.opacity*100;
	var opacIE = object.filter;
	//alert(opacity);	alert(opacIE);
	if(1){
	//alert('coverFadeIn');
		var timer=0;
		var speed = Math.round(millisec / 100);
		for(i = 20; i<=100; i=i+2){
			setTimeout("changeOpac(" + i + ", \"" + id + "\")", (timer*speed));
			timer++;
		}		
	}
}

function allFadeOut(id, millisec) {
	var object = document.getElementById(id).style;
	var opacity = object.opacity*100;
	var opacIE = object.filter;
	//alert(opacity);	alert(opacIE);
	if(1){
	//alert('coverFadeOut');
		var timer=0;
		var speed = Math.round(millisec / 100);
		
	  	for(i = 100; i>=20; i=i-2){		
			setTimeout("changeOpac(" + i + ", \"" + id + "\")", (timer*speed));
			timer++;
		}	
		
	}
}

function felir() {
  document.getElementById("hirlevel_feliratkozas").style.display="none";
  document.getElementById("hirlevel_elment").style.display="block";

  var req; 
  var eletkor;
  var csaladiallapot;
  nev=document.getElementById("nev").value;
  email=document.getElementById("email").value;
  text=document.getElementById("text").value;
  req=ajaxpostencode("nev",nev);
  req+="&";
  req+=ajaxpostencode("email",email);
  req+="&";
  req+=ajaxpostencode("text",text);
  ajaxrequest("emailkuld.php", req);
}
function ajaxpostencode(sName, sValue) {
  var sParam = encodeURIComponent(sName);
  sParam += "=";
  sParam += encodeURIComponent(sValue);
  return sParam;
}
function ajaxrequest(filename,valtozo) {
  try {
    ajaxreq= new XMLHttpRequest();
  } catch (error) {
    try {
      ajaxreq= new ActiveXObject("Microsoft.XMLHTTP");
    } catch (error) 
    {
    return false;
    }
  
  }
  ajaxreq.open("Post", filename);
  ajaxreq.setRequestHeader("Content-type","application/x-www-form-urlencoded");
  ajaxreq.onreadystatechange=ajaxResponse;
  ajaxreq.send(valtozo);

}
function ajaxResponse() {
  if (ajaxreq.readyState !=4) return
  if (ajaxreq.status==200)
  {
    var input=ajaxreq.responseText; 
  }
    else 
  {
    alert("gond van! '" + ajaxreq.statusText+"'") 
  }
  return true
}

      function GetWidth()
      {
              var x = 0;
              if (self.innerHeight)
              {
                      x = self.innerWidth;
              }
              else if (document.documentElement && document.documentElement.clientHeight)
              {
                      x = document.documentElement.clientWidth;
              }
              else if (document.body)
              {
                      x = document.body.clientWidth;
              }
              return x;
      }
       
      function GetHeight()
      {
              var y = 0;
              if (self.innerHeight)
              {
                      y = self.innerHeight;
              }
              else if (document.documentElement && document.documentElement.clientHeight)
              {
                      y = document.documentElement.clientHeight;
              }
              else if (document.body)
              {
                      y = document.body.clientHeight;
              }
              return y;
      }