function felugrobezar() {
	document.getElementById("felugro").style.display = 'none';
}

function overkepcsere(kephely,kepfajl) {
//	alert(kephely + " - " + kepfajl);
//	most_kephely = kephely;
//	most_kepfajl = document.getElementByID(kephely).src;
	document.getElementById(kephely).src=kepfajl;
}

function overkepcserevissza(kephely,kepfajl) {
	document.getElementById(most_kephely).src = most_kepfajl;
}

// png képek átalakítása Internet Explorer számára
// forrás: http://vbence.web.elte.hu/ie_png_alpha.html
// szerző: Varga Bence
function alphaFixIE() {
	var s, i, j;
 
	// IMG
	var els = document.getElementsByTagName("IMG");
	for (i=0; i<els.length; i++) {
		s = els[i].src;
		if (s.toLowerCase().indexOf(".png") != -1) {
			els[i].src = "stilus/spacer.gif";
			els[i].style.filter += "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + s + "', sizingMethod=image);";
		}
	}
 
	// CSS: background
	for (i=0; i<document.styleSheets.length; i++) {
		var pos = document.styleSheets[i].href.lastIndexOf("/");
		var cssDir = (pos != -1) ? document.styleSheets[i].href.substring(0, pos + 1) : "";
		for (j=0; j<document.styleSheets[i].rules.length; j++) {
			var style = document.styleSheets[i].rules[j].style;
			if (style.backgroundImage.toLowerCase().indexOf(".png") != -1) {
				var filename = style.backgroundImage.substring(4, style.backgroundImage.length - 1);
				if (filename.indexOf("http://") != 0 && filename.indexOf("/") != 0)
					filename = cssDir + filename;
				style.backgroundImage = "none";
				style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + filename + "', sizingMethod='crop');";
			}
		}
	}
}
 
if (navigator.userAgent.indexOf("MSIE") != -1 && navigator.userAgent.indexOf("Windows") != -1)
	window.attachEvent("onload", alphaFixIE);

navHover = function() {
	var lis = document.getElementById("menu_allo").getElementsByTagName("LI");
	for (var i=0; i<lis.length; i++) {
		lis[i].onmouseover=function() {
			this.className+=" iehover";
		}
		lis[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" iehover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", navHover);

navHover2 = function() {
	var lis = document.getElementById("menu_fekvo").getElementsByTagName("LI");
	for (var i=0; i<lis.length; i++) {
		lis[i].onmouseover=function() {
			this.className+=" iehover";
		}
		lis[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" iehover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", navHover2);

function nyz(ez) {
	var atm = document.getElementById(ez);
	if (atm.style.display=="none" || atm.style.display=="") { atm.style.display="block"; }
	else { atm.style.display="none"; }
}

function nyzelerhetoseg(mennyi,mit) {
	for (i=1; i<=mennyi; i++) {
		document.getElementById('a'+i).style.display = 'none';
	}
	document.getElementById('a'+mit).style.display='block';
//	document.frames['terkep'].location.href = 'terkep.php?id='+(Number(mit)+1);
	window.terkephely.location.href = 'terkep.php?id='+(Number(mit)+1);
}

function ablaknyitas(nyitofile,x,y,s)
{ open(nyitofile,"","width="+x+",height="+y+",status=no,toolbar=no,menubar=no,resizable=yes,scrollbars="+s); }


function forumvalasz(szam) {
//	alert('rrrrrrrr '+document.getElementById('valasz').value);
	document.getElementById('valasz').value=szam;
	document.getElementById('valaszkiir').innerHTML='válasz erre: #'+szam;
	document.getElementById('nemvalasz').style.display='inline';
}

function nemvalasz() {
	document.getElementById('valasz').value=0;
	document.getElementById('valaszkiir').innerHTML='';
	document.getElementById('nemvalasz').style.display='none';
}