transport='';
startList = function() {
 if (document.all&&document.getElementById) {
  navRoot = document.getElementById("nav_ul");
	for (i=0; i<navRoot.childNodes.length; i++) {
	 node = navRoot.childNodes[i];
	 if (node.nodeName=="LI") {
		node.onmouseover=function() {
	   this.className+=" over";
	   if(transport!='') {
      deleteClass();
     }
		}
	  node.onmouseout=function() {
	   if(!transport) {
	    transport=this;
	   }
	   window.setTimeout('deleteClass()',2000);
	  }
   }
  }
 }
}
window.onload=startList;

function deleteClass() {
 if(transport) {
  transport.className=transport.className.replace(" over", "");
  transport='';
 }
}

function sucheSuche() {
 if(document.forms.suches.naturerlebnisangebot.value=='' &&
    document.forms.suches.landkreis.value==0 &&
    document.forms.suches.schutzgebiet.value==0 &&
    document.forms.suches.suchbegriff.value=='' &&
    document.forms.suches.gefoerdert.checked!=true &&
    document.forms.suches.gefoerdert_eu.checked!=true &&
    document.forms.suches.barrierefrei.checked!=true) {
  alert('Bitte wählen Sie ein Suchkriterium aus!');
 }
 else document.forms.suches.submit();
}

function maximize() {
 aW=screen.availWidth; if(aW>1280) aW=1280;
 aH=screen.availHeight; if(aH>1024) aH=1024;
 document.location.href="navigator.php?refer=vollbild&vollbild=1&availWidthC="+(aW-16)+"&availHeightC="+(aH-165);
}

function move(sw,sh,t,e) {
 karte_x=sw/2;
 karte_y=sh/2;
 if(e) {
  if(e.keyCode==37 || e.keyCode==38 || e.keyCode==39 || e.keyCode==40 || e.keyCode==98 || e.keyCode==100 || e.keyCode==102 || e.keyCode==104) {
        if(e.keyCode==37 || e.keyCode==100) karte_x=karte_x-(sw/3);
   else if(e.keyCode==38 || e.keyCode==104) karte_y=karte_y-(sh/3);
   else if(e.keyCode==39 || e.keyCode==102) karte_x=karte_x+(sw/3);
   else if(e.keyCode==40 || e.keyCode==98)  karte_y=karte_y+(sh/3);
  }
 }
 else {
       if(t=='l') karte_x=karte_x-(sw/3);
  else if(t=='o') karte_y=karte_y-(sh/3);
  else if(t=='r') karte_x=karte_x+(sw/3);
  else if(t=='u')  karte_y=karte_y+(sh/3);
 }  
 document.forms.form_map.px_x.value=karte_x;
 document.forms.form_map.px_y.value=karte_y;
 document.forms.form_map.submit();
}

var last_poigroup = '';
function poigroup(event,id,status) { 
 var check=event.relatedTarget || event.toElement || false;
   
 if(status==1) {
  if(last_poigroup!='') {
   poigroup_close(last_poigroup);
  } 
  document.getElementById('poigroup'+id).style.display='block';
  last_poigroup=id;
 }
 else if(check.type=='image') {
  poigroup_close(id);
 }
}

function poigroup_close(id) {
 if(id==0) {
  id=last_poigroup;
 }
 if(id!='') {
  document.getElementById('poigroup'+id).style.display='none';
 }
}