/////// Pflichtfelderüberprüfung Catering Anfrage
    var check	  = true; 	// doppelklick bei absenden verhindern
    var errortext = "Please check your mandatory fields!";
    function sendmail() {
	
      erg = true;
      
      if(!document.form.telefon.value || !document.form.name.value || !document.form.erreichbar.value) {
		erg = false;
      }
/*
      else if(document.form.email.value!="") {
		var str = document.form.email.value;
		pos_at = str.indexOf('@');
		pos_at_ende = str.lastIndexOf('@');
		pos_dot = str.lastIndexOf('.');
		pos_space = str.indexOf(' ');
		pos_length = str.length;
		domain = str.substring(pos_at+1,pos_dot);
		
		if (pos_at != pos_at_ende) 	{erg = false}
		if (domain.length < 2 )  	{erg = false}
		if (pos_at < 1 )  		{erg = false}
		if (pos_dot < pos_at) 	 	{erg = false}
		if (pos_length - pos_dot <= 2)	{erg = false}
			if (pos_length - pos_dot > 5) 	{erg = false}
		if (pos_space != -1) 	 	{erg = false}
      }
 */     
      
      if(!erg) {
		document.getElementById('senderror').innerHTML=errortext;
      }
      else {
        if(check) {
          document.getElementById('senderror').innerHTML="&nbsp;";
          document.form.submit();
	  	  check = false;
        }
      }
    }




	function clearform() {
      document.form.reset();
      document.getElementById('senderror').innerHTML="&nbsp;";
    }

    function insert() {
      document.write('<input type="hidden" name="access" value="nichtsfuerspammer">');
    }