function sendRequest() {
  if (navigator.appName == "Microsoft Internet Explorer") {
    id = document.getElementById('vbmembermap_plz').value;
    land = document.getElementById('vbmembermap_land').value;
  } else {
    id = document.forms['vbmembermap_userstats'].elements['vbmembermap_plz'].value;
    land = document.forms['vbmembermap_userstats'].elements['vbmembermap_land'].value;
  }
	  DoAjax = new vB_AJAX_Handler (true);
	  DoAjax.onreadystatechange (getRequested);
	  DoAjax.send ('vbmembermap.php', 'do=ajax&splz='+id+'&land='+land);
}

function getRequested() {
   if (DoAjax.handler.readyState == 4) {
	 var text = DoAjax.handler.responseText;
     document.getElementById('cityselect').innerHTML = text;
	 if (text.substr(0,6) != " ")
	 {
	     document.getElementById('writebutton').style.visibility = "visible";
	 }
	 else
	 {
	     document.getElementById('writebutton').style.visibility = "hidden";
	     document.getElementById('delbutton').style.visibility = "hidden";
	 }
   }
}

function sendRequestPOI() {
  if (navigator.appName == "Microsoft Internet Explorer") {
    id = document.getElementById('vbmembermap_poiplz').value;
    land = document.getElementById('vbmembermap_poiland').value;
  } else {
    id = document.forms['vbmembermap_poistats'].elements['vbmembermap_poiplz'].value;
    land = document.forms['vbmembermap_poistats'].elements['vbmembermap_poiland'].value;
  }
  DoAjax = new vB_AJAX_Handler (true);
  DoAjax.onreadystatechange (getRequestedPOI);
  DoAjax.send ('vbmembermap.php', 'do=ajax&splz='+id+'&land='+land);
}

function getRequestedPOI() {
   if (DoAjax.handler.readyState == 4) {
	 var text = DoAjax.handler.responseText;
     document.getElementById('cityselectpoi').innerHTML = text;
	 if (text.substr(0,6) != " ")
	 {
	     document.getElementById('writebuttonpoi').style.visibility = "visible";
	 }
	 else
	 {
	     document.getElementById('writebuttonpoi').style.visibility = "hidden";
	 }
   }
}

function sendRequestRoute() {
  if (navigator.appName == "Microsoft Internet Explorer") {
    id = document.getElementById('vbmembermap_routeplz').value;
    land = document.getElementById('vbmembermap_routeland').value;
  } else {
    id = document.forms['vbmembermap_route'].elements['vbmembermap_routeplz'].value;
    land = document.forms['vbmembermap_route'].elements['vbmembermap_routeland'].value;
  }
  DoAjax = new vB_AJAX_Handler (true);
  DoAjax.onreadystatechange (getRequestedRoute);
  DoAjax.send ('vbmembermap.php', 'do=ajax&splz='+id+'&land='+land);
}

function getRequestedRoute() {
   if (DoAjax.handler.readyState == 4) {
	 var text = DoAjax.handler.responseText;
     document.getElementById('cityselectroute').innerHTML = text;
   }
}

function sendRequestRouteDst() {
  if (navigator.appName == "Microsoft Internet Explorer") {
    id = document.getElementById('vbmembermap_routeplzdst').value;
    land = document.getElementById('vbmembermap_routelanddst').value;
  } else {
    id = document.forms['vbmembermap_routedst'].elements['vbmembermap_routeplzdst'].value;
    land = document.forms['vbmembermap_routedst'].elements['vbmembermap_routelanddst'].value;
  }
  DoAjax = new vB_AJAX_Handler (true);
  DoAjax.onreadystatechange (getRequestedRouteDst);
  DoAjax.send ('vbmembermap.php', 'do=ajaxroutedst&splz='+id+'&land='+land);
}

function getRequestedRouteDst() {
   if (DoAjax.handler.readyState == 4) {
	 var text = DoAjax.handler.responseText;
     document.getElementById('cityselectroutedst').innerHTML = text;
   }
}