// JavaScript Document

function chkFormular()
{

MM_showHideLayers('vornamealert','','hide');
MM_showHideLayers('nachnamealert','','hide');
MM_showHideLayers('telefonalert','','hide');
MM_showHideLayers('mail','','hide');



if(document.DAFORM.Vorname.value == "")  {
MM_showHideLayers('vornamealert','','show');
document.DAFORM.Vorname.focus();
return false;
}

if(document.DAFORM.Nachname.value == "")  {
MM_showHideLayers('nachnamealert','','show');
document.DAFORM.Nachname.focus();
return false;
}

if(document.DAFORM.Telefon.value == "")  {
MM_showHideLayers('telefonalert','','show');
document.DAFORM.Telefon.focus();
return false;
}

if(document.DAFORM.email.value == "")  {
MM_showHideLayers('mail','','show');
document.DAFORM.email.focus();
return false;
}

 return(true); }
function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) 
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}