function austausch (bildpos,bildneu)
	{
	document.images[bildpos].src="img/"+bildneu;
	}

function popUp (URL, x, y)
{
 desktop= window.open (URL, "_blank", "toolbar=no, location=no, status=no, menubar=no, scrollbars=no, width="+x+", height="+y+", resizable=no,left=0,top=0");
}

function CheckID (theForm)
   {
     var check= true;
     if (document.kontakt.email.value == '')
     {
     check = false;
     alert ('Bitte E-mail eintragen!');
     }
     if (check)
     {
       document.kontakt.submit();
     }
   }
function Delete (theForm)
 {
  document.kontakt.comments.value ='';
  document.kontakt.name.value ='';
  document.kontakt.vorname.value ='';
  document.kontakt.email.value ='';
 }