function popupOpen() {		// parameter.reihenfolge: URL, WIDTH, HEIGHT
	var w,h,url,aw,ah;
	var a=popupOpen.arguments;
	if (a.length==0) return;
	url=a[0];
	if (a.length>1) {
		w=a[1]; h=a[2];
	}
	else {
		w=500; h=400
	}
	win=window.open(url,'win_front','toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=no,resizable=yes,copyhistory=no,width='+w+',height='+h);
	if (screen) {
		aw=screen.availWidth;
		ah=screen.availHeight;
		win.moveTo(((aw/2)-(w/2)),((ah/2)-(h/2)));
	}
	win.focus();
}

function openPicture() {		// parameter.reihenfolge: URL, WIDTH, HEIGHT
	var w,h,url,aw,ah;
	var a=openPicture.arguments;
	if (a.length==0) return;
	url=a[0];
	if (a.length>1) {
		w=a[1]; h=a[2];
	}
	else {
		w=500; h=400
	}
	win_pic=window.open(url,'win_pic','toolbar=no,location=no,directories=no,status=yes,menubar=no,scrollbars=no,resizable=yes,copyhistory=no,width='+w+',height='+h);
	if (screen) {
		aw=screen.availWidth;
		ah=screen.availHeight;
		win_pic.moveTo(((aw/2)-(w/2)),((ah/2)-(h/2)));
	}
	win_pic.focus();
}

/// ADB-Navigation
var adb_nav_activ_id;
function showADBNav( ul_id ) {
	if (adb_nav_activ_id && adb_nav_activ_id != ul_id) {
		document.getElementById(adb_nav_activ_id).style.display='none';
		adb_nav_activ_id=false;
	}
	if (ul_id && ul_id != adb_nav_activ_id) {
		document.getElementById( ul_id ).style.display='block';
		adb_nav_activ_id = ul_id;
	}
}
/// Galery
function changeGalleryPic(l,g,url) {
	if (typeof old_g_link == "undefined") old_g_link="g_"+g+"_0";
	if (old_g_link==l.id) return true;
	document.getElementById(old_g_link).className="gal";
	l.className="gal_sel";
	old_g_link=l.id;	
	document.getElementById("gallery_"+g).src=url;
} 
// Musik-Abspieler
function setPlayer(width, height, player_url, base, obj_id) {
	var code='<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="'+width+'" height="'+height+'" align="top">';
	code += '<param name="allowScriptAccess" value="sameDomain" /><param name="movie" value="'+player_url+'" /><param name="base" value="'+base+'" />';
	code += '<param name="quality" value="high" /> <param name="bgcolor" value="#000000" /> <param name="menu" value="false" />';
	code += '<embed src="'+player_url+'" menu="false" base="'+base+'" quality="high" bgcolor="#000000" width="'+width+'" height="'+height+'" name="player" align="top" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />';
	code += '</object>';
	document.getElementById(obj_id).innerHTML = code;
}

// Konzerte Extrainfo
var opened_info=false;
function showInfo(num_id) {
	if ($("c_concert_"+num_id).down(".text").empty() && (typeof $("c_concert_"+num_id).down(".pfeil") == "undefined") && (typeof $("c_concert_"+num_id).down(".img_150") == "undefined")) return;

	if (opened_info) {
		if (opened_info == num_id) {
			closeInfo(opened_info); 
			return;
		}
		closeInfo(opened_info);
	}
	opened_info = num_id;
	$("c_concert_"+num_id).show();
	$("c_icon_"+num_id).src = $("c_icon_"+num_id).src.replace("mp3_active.gif", "close.gif");
}
function closeInfo(num_id) {
	$("c_concert_"+num_id).hide();
	$("c_icon_"+num_id).src = $("c_icon_"+num_id).src.replace("close.gif", "mp3_active.gif");
	opened_info=false;
}





/// AJAX
var http_request = false;
var reload_url = location.href;

function BrowserIsCompatible() {
	if (!window.RegExp) return false;
	var AGENTS = ["opera","msie","safari","firefox","netscape","mozilla"];
	var agent = navigator.userAgent.toLowerCase();
	for (var i = 0; i < AGENTS.length; i++) {
		var agentStr = AGENTS[i];
		if (agent.indexOf(agentStr) != -1) {
			var versionExpr = new RegExp(agentStr + "[ \/]?([0-9]+(\.[0-9]+)?)");
			var version = 0;
			if (versionExpr.exec(agent) != null) {
				version = parseFloat(RegExp.$1);
			}
			if (agentStr == "opera") return version >= 9;

			if (agentStr == "safari") return version >= 125;
			if (agentStr == "msie") return (version >= 5.5 &&agent.indexOf("powerpc") == -1);
			if (agentStr == "netscape") return version > 7;
		}
	}
	return document.getElementById;
}
function requestObject(){
	try{
		if(typeof ActiveXObject!="undefined"){
			return new ActiveXObject("Microsoft.XMLHTTP")
		}
		else if (window.XMLHttpRequest){
			var out=new XMLHttpRequest();
			out.overrideMimeType('text/xml');
			return out;
		}
	}
	catch(a){ }return null
}
function makeGetRequest(url) {
	http_request = requestObject();
	http_request.onreadystatechange = alertContents;
	http_request.open('GET', url, true);
	http_request.send(null);
}
function alertContents() {
	if (http_request.readyState == 4) {
		if (http_request.status == 200) {
			var alert_box=false;
			try {
				if (http_request.responseText.indexOf("id='alert_box'") != -1) {
					var rt=http_request.responseText;
					var p1=rt.indexOf('>', rt.indexOf("id='alert_box'"));
					var p2=rt.indexOf('</div>');
					var t=rt.substring(p1,p2)
					alert(t.replace("<([^<>\s]*)(\s[^<>]*)?>"," "));
					
				}
				//debug(http_request.responseText);
			}
			catch(e) {
				alert("fehler: "+e);
			}
			
			if (alert_box) {
				debug(alert_box);
			}
			location.href = reload_url;
			//document.getElementById('container').innerHTML = http_request.responseText;
		}
		else if (http_request.status == 0) {
			// IE: abfangen
		}
		else {
			alert('Anforderung konnte nicht verarbeitet werden, HTTP-Fehler '+http_request.status);
		}
	}
}

function debug(msg) {
	if (typeof w == "undefined") {
		w=window.open('','w','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no,copyhistory=no,width=640,height=400');
	}
	w.document.write(msg+"<br>");
}
function trace(o) {
	var out="";
	for (z in o) {
		try {
		if (o[z]!="" && o[z]!=null)
			if (z=="innerHTML" || z=="outerHTML") out+=z+" = [..HTML-Code..]; <br>\n";
			else out+=z+" = "+o[z]+"; <br>";
		}
		catch (e) {
			out+= z+" = ERROR: "+e+"; <br>";
		}
	}
	debug(out)
}