// Bildwechsel ************************************************

var bildNr = 1;

function nextImg(a){
	// wenn nächstes bild angeklickt (1)
	if(a == 1){ 
	
		if(bildNr < maxB){ // wenn letztes bild einer galerie noch nicht erreicht
			bildNr++; 
		}else{ 
			bildNr = 1; 
		}
	// wenn vorheriges bild angeklickt (0)	
	}else{ 
	
		if(bildNr > 1){ // wenn letztes bild einer galerie nocht nicht erreicht
				bildNr--; 
			}else{ 
				bildNr = maxB; 
			}
		}
	hideCredits();
	showProjektbild();
	document.bild.src = '../images/'+ bildpfad +'/' + bildNr + '.jpg';	
	document.getElementById('bildtext').innerHTML = bildtext[bildNr];

ChangeClass('n'+bildNr);
}

function changeImg(a){
	 hideCredits();
	 showProjektbild();
	 bildNr = a;
	 document.bild.src = '../images/'+ bildpfad +'/' + bildNr + '.jpg';
	 document.getElementById('bildtext').innerHTML = bildtext[a];
}

function showCredits(){	
	hideProjektbild();
	el = document.getElementById('creditsContent');
	if(el){	el.style.display = 'block';	}
	el2 = document.getElementById('bildtext');
	if(el2){	el2.style.display = 'none';	}
}

function hideCredits(){
	el = document.getElementById('creditsContent');
	if(el){ el.style.display = 'none';	}
	el2 = document.getElementById('bildtext');
	if(el2){	el2.style.display = 'block';	}
}

function showProjektbild(){	
	el = document.getElementById('projektbild');
	if(el){	el.style.display = 'block';	}
}

function hideProjektbild(){	
	el = document.getElementById('projektbild');
	if(el){	el.style.display = 'none';	}
}

function schreibBildtext(){
	document.getElementById('bildtext').innerHTML = bildtext[bildNr];
}	

// Linkstatus Bildernummer ************************************************

var SelectedElementID = "";
function ChangeClass(MyID){
	if(SelectedElementID != ""){
		document.getElementById(document.getElementById(SelectedElementID).getAttribute('id')).className = "imagenav";
	}
	SelectedElementID = MyID;
	document.getElementById(document.getElementById(MyID).getAttribute('id')).className = "selected";
	
	
}
function ChangeClassOut(MyID){
	if(SelectedElementID != ""){
		document.getElementById(document.getElementById(SelectedElementID).getAttribute('id')).className = "imagenav";
	}
}
function ChangeClassStart(MyID){
	document.getElementById(document.getElementById(MyID).getAttribute('id')).className = "selected";
}




// Mailverschlüsselung 
function mail(nam,adr){
	document.writeln("<a href=mailto:"+nam+"@"+adr+">"+nam+"@"+adr+"</a>");
}
function mail2(nam,adr,text){
	document.writeln("<a href=mailto:"+nam+"@"+adr+">"+text+"</a>");
}

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

// Grafische Navigation
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];}
}