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];}
}

function check() {
if (document.box.nick.value == '') { alert('Elfelejtetted megadni a nevedet!'); }
else{
var wndname = "nasachat";

    var w = screen.width;
    var h = screen.height;

    var wX = 505;
    var hX = 310;
  
    var tX = (w/2)-(wX/2);
    var lX = (h/2)-(hX/2);

    boxwnd = window.open("", wndname, "location=0,toolbar=0,resizable=0,status=0,menubar=0,scrollbars=0,width="+ wX +",height="+ hX +",left=0,top=0");
    boxwnd.moveTo(tX,lX);

    document.box.target = wndname;
    document.box.submit(); } 
}
function regcheck() {
	if(document.reg.paramnick.value == '' || document.reg.parampass1.value == '' || document.reg.parampass2.value == '' || document.reg.parammail.value == ''){
		alert('Minden mező kitöltése kötelező!');
	} 
	else if(document.reg.parampass1.value != document.reg.parampass2.value){
		alert('A két jelszó nem egyezik!');
	}
	else if(!document.reg.szabalyzat.checked){
		alert('A szabályzat elfogadása kötelező!');
	}
	else {
	document.reg.submit();
	}
}
function check_szoba() {
	if(document.szoba.szoba.value==''){
		alert('Elfelejtetted kitölteni a szoba nevét');
	} else {
	document.szoba.submit();
	}
}
function temavalt(n,a){
// hány téma van összesen?
	var mdiv="5";
////
	for(i=1;i<mdiv;i++){
	if(a!=i){
		tema_kep=MM_findObj(n+i);
		tema_kep.style.display="none";
	}
	}
	tema_kep=MM_findObj(n+a);
	tema_kep.style.display="";

}
function goSkin(a){
	document.theme.skin.value=a;
	chat = window.open("", "nasachat_chat", "width=" + (screen.width-200)  + ",height=" + (screen.height-250) + ",top=0,left=0,resizable=yes,scrollbars=no,menubar=no,toolbar=no,status=no,location=no")
	document.theme.submit();
	window.close();
}
function settingsCheck(){
	if(document.settings.nick.value=="" || document.settings.pass.value==""){
		alert("Töltsd ki a név és jelszó mezőket!");
	} else {
		document.settings.submit();
	}
}
function popupWindow(url,sz,m){
	window.open(url, wndname, "location=0,toolbar=0,resizable=0,status=0,menubar=0,scrollbars=0,width="+ sz +",height="+ m +",left=0,top=0");
}