function empty(o){
        if(o.value=='number of persons' || 
        o.value=='message' || 
        o.value=='date' || 
        o.value=='time' || 
        o.value=='eMail' || 
        o.value=='mobile phone'  ||
        o.value=='name' ||
        o.value=='please enter the number code shown on the left'
                ) 
           {
           o.value="";
		       }
        }

      function testFill(o){
        if(o.value==''){
		  if (o.name=='Personen') {
            o.value='number of persons';
		  }
		  if (o.name=='Mitteilung' || o.name=='text') {
            o.value='message';
		  }
		  if (o.name=='Datum') {
	    o.value='date';
		  }
		  if (o.name=='Telefon') {
	    o.value='mobile phone';
		  }
		  if (o.name=='eMail') {
	    o.value='eMail';
		  }
		  if (o.name=='Name') {
	    o.value='name';
		  }
		  if (o.name=='Uhrzeit') {
	    o.value='time';
		  }
 		  if (o.name=='loesung') {
	    o.value='please enter the number code shown on the left';
		  } 

      		  
        }


}