function setMainNav(id) {
	document.getElementById(id).src='images/'+id+'_a.gif';
}


function menue(name,pic,action) {
  if(pic=='popup_') {
    document.images[name].src="../images/"+pic+name+"_"+action+".gif";
  }
  else {
    document.images[name].src="images/"+pic+name+"_"+action+".gif";
  }
}

function openwindow(url, name, width, height, params) {
  var win = '';
  xpos = (screen.width - parseInt(width)) / 2;
  ypos = (screen.height - parseInt(height)) / 2;
  if (!params) {
    params = 'menubar=no,scrollbars=no,resizable=no';
  }
  win = window.open(url,name,'width='+width+',height='+height+',left='+toString(xpos)+',top='+toString(ypos)+','+params);
  win.moveTo(xpos, ypos);
  win.focus();
}


// layer
var act_layer		= "";
function setlayer(id,action,anz_layer) {
  if(act_layer) {
    clearTimeout(timeout);
    document.getElementById(act_layer).style.visibility="hidden";
    show_hide_pfeile('visible',anz_layer);
  }
  if(action=='visible') {
    show_hide_pfeile('hidden',anz_layer);
  }
  if(action=='hidden') {
    show_hide_pfeile('visible',anz_layer);
  }
  document.getElementById(id).style.visibility=action;
  act_layer = id;
  timeout = setTimeout('document.getElementById("'+id+'").style.visibility="hidden";show_hide_pfeile("visible",'+anz_layer+');', 5000);
}

function show_hide_pfeile (action,anz_layer) {
  for(i=1;i<=anz_layer;i++) {
    document.getElementById('pfeil'+i).style.visibility=action;
  }
}



/* aktuelles jahr */
var date = new Date();
var jahr = date.getFullYear();




/*gallerie*/
function galerie(city,loc,title) {
	
	document.write('<div style="overflow:hidden;">\n');
	
	for(i=1; i<=title.length; i++) {
		var galText = '';
		
		
		if(i%3==0) {
			galText+='<div class="galerieItem galerieItem_folge galerieItem_folge_last">\n';
		}
		else {
			galText+='<div class="galerieItem galerieItem_folge">\n';
		}
		
		galText+='<a class="lightbox" href="images/galerie/'+city+'/'+loc+'/'+loc+'_'+title[i-1][0]+'_gr.jpg" title="'+title[i-1][1]+'"><img src="images/galerie/'+city+'/'+loc+'/'+loc+'_'+title[i-1][0]+'_kl.jpg" alt="" /></a>\n';
		galText+=title[i-1][1];
		galText+='</div>\n';

		if(i%3==0 && i<title.length) {
			galText+='</div>\n';
			galText+='<div style="overflow:hidden;">\n';
		}

		document.write(galText);


	}

	document.write('</div>\n');

}