function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages(name, source) {
	document.images[name].src = source;
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		honlap_cegunkrol_over = newImage("images/menuk/cegunkrol_over.gif");
		honlap_szolgaltatasaink_over = newImage("images/menuk/szolgaltatasaink_over.gif");
		honlap_referenciaink_over = newImage("images/menuk/referenciaink_over.gif");
		honlap_munkaink_over = newImage("images/menuk/munkaink_over.gif");
		honlap_allasajanlataink_over = newImage("images/menuk/allasajanlataink_over.gif");
		honlap_elerhetosegeink_over = newImage("images/menuk/elerhetosegeink_over.gif");
		honlap_megrendelolapok_over = newImage("images/menuk/megrendelolapok_over.gif");
		honlap_letoltesek_over = newImage("images/menuk/letoltesek_over.gif");
		preloadFlag = true;
	}
}

function terkep (){
	window.open ("terkep.html","","width=435, height=450");	
}
function levelablak (uerel){	
	window.open(uerel,'level','width=590, height=550, scrollbars= 1')
}


var tld_ = new Array()
tld_[0] = "com";
tld_[1] = "org";
tld_[2] = "net";
tld_[3] = "ws";
tld_[4] = "info";
tld_[10] = "co.uk";
tld_[11] = "org.uk";
tld_[12] = "gov.uk";
tld_[13] = "hu";
var topDom_ = 13;
var m_ = "mailto:";
var a_ = "@";
var d_ = ".";

function mail(name, dom, tl, params)
{
	var s = e(name,dom,tl);
	document.write('<a href="'+m_+s+params+'">'+s+'</a>');
}

function mail2(name, dom, tl, params, display)
{
	document.write('<a href="'+m_+e(name,dom,tl)+'" '+params+'>'+display+'</a>'); //
}

function e(name, dom, tl)
{
	var s = name+a_;
	if (tl!=-2)
	{
		s+= dom;
		if (tl>=0)
			s+= d_+tld_[tl];
	}
	else
		s+= swapper(dom);
	return s;
}

function swapper(d)
{
	var s = "";
	for (var i=0; i<d.length; i+=2)
		if (i+1==d.length)
			s+= d.charAt(i)
		else
			s+= d.charAt(i+1)+d.charAt(i);
	return s.replace(/\?/g,'.');
}

function portfolio_opener (uerel){
		szeles = screen.width;
		uerel = "portfolio_ablak.php?kep="+uerel;	
		ablak = window.open (uerel,'porfolio_ablak','width=800, height=550, scrollbars=0');
		ablak.moveTo(0,0);        
}


function hover_on (pic, ext) {			
	pic.src = pic.src.substr(0,pic.src.length-4)+"_over."+ext;
}
function hover_off (pic, ext) {
	pic.src = pic.src.substr(0,pic.src.length-9)+"."+ext;
}

function makevisible (layer) {
	layer = getObj (layer);
	layer.style.display = "block";
}
function makehide (layer) {
	layer = getObj (layer);
	layer.style.display = "none";
}

 function getObj(id, d) {
  var i,x;  if(!d) d=document; 
  if(!(x=d[id])&&d.all) x=d.all[id]; 
  for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][id];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=getObj(id,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(id); 
  return x;
}