//browsers
var ie = (navigator.userAgent.indexOf('MSIE')!=-1);
var macos = (navigator.platform.indexOf('Mac')!=-1);

var dom = (document.getElementById) ? 1 : 0; 
var ie4x = (document.all && !document.getElementById ) ? 1 : 0; 
var ns4x = (document.layers) ? 1 : 0; 
var ns70 = (navigator.userAgent.indexOf('Netscape/7.0')!=-1);
var other = (!dom && !ie4x && !ns4x ) ? 1 : 0; 
var opera = (navigator.userAgent.indexOf('Opera')!=-1);


// fenstervariablen
var newwin1="";
var newwin2="";
var winOptions = "";
var newwinX = 0;
var newwinY = 0;
var newleft= 0;
var newtop = 0;
var newwinProp = 0;
var url = "";

var myLayer;
var out = '';

function checkBrowser() {
	if (ie && macos) {
		top.location.href="browser/browsertrouble.html";
	} 
	if (ie4x || ns4x || ns70) {
		top.location.href="browser/browsertrouble.html";
	}
}

function nobox(){ 
	if (opera || other){
		return false;
	} else if (ie4x){
		window.focus();
	} else {//dom
		document.getElementById("fixbox").focus();
	}
}

function sayHello(helloMSGid) {
	if (!helloMSGid || helloMSGid == 'undefined') {
		helloMSGid = 1;
	}
	helloMSG = new Array();
	helloMSG[1] = 'In Arbeit...';
	helloMSG[2] = 'PDF fehlt noch';

	alert(helloMSG[helloMSGid]);
	nobox();
}
function findLayer(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 nextImg(imgName, dir) {
	nobox();
	imgCounter = imgCounter + dir;
	if (imgCounter > maxImg) {
		imgCounter = 1;
	} else if (imgCounter <= 0) {
		imgCounter = maxImg;
	}
	out = '<a title="Anklicken f&uuml;r eine vergr&ouml;sserte Ansicht" ';
	out = out + 'href="javascript:openViewer(\'' + imgName + '\','+imgCounter+')">';
	out = out + '<img src="img/'+imgName+imgCounter+'.jpg" ';
	out = out + 'width="200" height="150" border="0" vspace="0" hspace="0" align="left" alt="Anklicken f&uuml;r eine vergr&ouml;sserte Ansicht"></a>';
	myLayer = findLayer('bildklein');
	myLayer.innerHTML=out ;
}


//fenster
function openViewer(imgName,imgNum) {
	nobox();

	//fenstergroesse + url
	if (imgName=='lageplan') {
		newwinX = 400;
		newwinY= 490;
		url = 'lageplan.html';
	} else {
		newwinX = 580;
		newwinY= 490;
		url = 'viewer.html?='+imgName+'='+imgNum+'='+maxImg;
	}

	winOptions = "resizable=no,scrollbars=no, ";
	winOptions = winOptions + "toolbar=no,directories=no,menubar=no, ";
	winOptions = winOptions + "width=" + newwinX + ",height=" + newwinY;


	// neues fenster und ggf. andere fenster schliessen
	if (newwin1.closed == false) {
		newwin1.close();
		newwin2=window.open(url,'al2',winOptions);
		newwin2.focus();
	} else if (newwin2.closed == false) {
		newwin2.close();
		newwin1=window.open(url,'al1',winOptions);
		newwin1.focus();
	} else {
		newwin1=window.open(url,'al1',winOptions);
		newwin1.focus();
	}	

}

function openWin(newURL) {
	nobox();

	//fenstergroesse + url
	if (newURL == 'w-sponsoren.php' || newURL == 'w-foerderer.php') {
		newwinX = 460;
		newwinY= 630;
		winOptions = "resizable=no,scrollbars=yes, ";
	} else if (newURL.indexOf('audio') !=-1) {
		newwinX = 640;
		newwinY= 420;
		winOptions = "resizable=no,scrollbars=no, ";
	} else if (newURL.indexOf('sfdrs-puls') !=-1) {
		newwinX = 760;
		newwinY= 480;
		winOptions = "resizable=no,scrollbars=no, ";

	} else if (newURL.indexOf('player-laczko') !=-1) {
		newwinX = 720;
		newwinY= 580;
		winOptions = "resizable=no,scrollbars=no, ";

	} else {
		newwinX = 580;
		newwinY= 490;
		winOptions = "resizable=no,scrollbars=no, ";
	}

	winOptions = winOptions + "location=no,toolbar=no,directories=no,menubar=no, ";
	winOptions = winOptions + "width=" + newwinX + ",height=" + newwinY;


	// neues fenster und ggf. andere fenster schliessen
	if (newwin1.closed == false) {
		newwin1.close();
		newwin2=window.open(newURL,'al2',winOptions);
		newwin2.focus();
	} else if (newwin2.closed == false) {
		newwin2.close();
		newwin1=window.open(newURL,'al1',winOptions);
		newwin1.focus();
	} else {
		newwin1=window.open(newURL,'al1',winOptions);
		newwin1.focus();
	}	

}

function closeViewer() {
	if (newwin1.closed == false) {
		newwin1.close();
	}
	if (newwin2.closed == false) {
		newwin2.close();
	}	
}


function startDiashow(xdim,ydim,bilderordner,bildtyp,bildnummer, maxbilder) {

	nobox();

	// fenstereigenschaften festlegen
	winOptions = "resizable=no,scrollbars=no, ";
	winOptions = winOptions + "toolbar=no,directories=no,menubar=no, ";
	winOptions = winOptions + "width=" + xdim+ ",height=" + ydim;

	// php-querystring
	url = 'imgviewer.php?bilderordner='+bilderordner+'&bildtyp='+bildtyp+'&bildnummer='+bildnummer+'&maxbilder='+maxbilder;

	// neues fenster und ggf. andere fenster schliessen
	if (newwin1.closed == false) {
		newwin1.close();
		newwin2=window.open(url,'al2',winOptions);
		newwin2.focus();
	} else if (newwin2.closed == false) {
		newwin2.close();
		newwin1=window.open(url,'al1',winOptions);
		newwin1.focus();
	} else {
		newwin1=window.open(url,'al1',winOptions);
		newwin1.focus();
	}	

}

//e-mail

var praefix = 'mailto:';
var mailadresse = '';
var xyz = 0;
var currzeichen = 0;

function x988(chaingang) {

	xyz = parseInt(chaingang.substring(chaingang.length-1, chaingang.length));

	mailadresse = '';

	for (i=0;i<=(chaingang.length-4);i=i+3) {
		currzeichen = parseInt(chaingang.substring(i, i+3), 10)-xyz;
		mailadresse += String.fromCharCode(currzeichen);
	}
	top.location.href = praefix + mailadresse;
}