function hideMenu(){
	var layer='langselect';
		if(layer!="") {
		if(document.layers){
            //thisbrowser="NN4";
           document[layer].visibility="hidden";
        }
        if(document.all){
            //thisbrowser="ie"
            document.all[layer].style.visibility="hidden";
        }
        if(!document.all && document.getElementById){
            //thisbrowser="NN6";
            document.getElementById(layer).style.visibility="hidden";
        }
		}
}

var timeout;

function showMenu(visible,over){

var layer='langselect';
window.clearTimeout(timeout);
        if(document.layers){
            //thisbrowser="NN4";
            if(visible) document[layer].visibility="visible";
			else document[layer].visibility="hidden";
        }
        if(document.all){
            //thisbrowser="ie"
            if(visible) document.all[layer].style.visibility="visible";
			else document.all[layer].style.visibility="hidden";
        }
        if(!document.all && document.getElementById){
            //thisbrowser="NN6";
            if(visible) document.getElementById(layer).style.visibility="visible";
			else document.getElementById(layer).style.visibility="hidden";
        }
		window.status=over;
		if(over==0) timeout=window.setTimeout("hideMenu()",1000);
}

var tout;
var imageids;
var n=0;

function showDetailed(name,randomly){
	document.getElementById('detailed').src='../images/'+folder+'/'+name+'.jpg';
	if(randomly==null) {clearTimeout(tout);}
}

function changeRandomly(){
	do{
	m=Math.floor(Math.random()*(imageids.length));
	} while(m==n);
	n=m;
	showDetailed(imageids[n],1);
	tout=window.setTimeout(changeRandomly,2000);
}

function preloadImages(){
		document.write("<div style='display:none'>");	
for(var i=0;i<imageids.length;i++){
		document.write("<img src='../images/"+folder+"/"+imageids[i]+".jpg'>");
	}
	document.write("</div>");
}


function popup(kep,scroll)
    {
      if (scroll==null) {scroll='no';}
      page='/images/gallery/popup.php?kepfile='+kep+'&scroll='+scroll;
      w = 1;
      h = 1;
      l = 0;
      t = 0;
      settings = 'scrollbars=' + scroll + ',resizable=no,status=no,menubar=yes,width=' + w + ',height=' + h + ',left='
                 + l + ',top=' + t + ',screenX=' + l + ',screenY=' + t;
      win = window.open(page, 'popup', settings);
      win.focus(); 
}