function Controle() 
{

	blnFout = false;
	strFout = "";

	if (document.Calfotel.GezienBij.value.length < 1) 
	{
		blnFout = true;
		strFout = "- Seen in is wanted\n" + strFout;
		document.Calfotel.GezienBij.focus();
    }
	
	if (document.Calfotel.Woonplaats.value.length < 1) {
	    blnFout = true;
	    strFout = "- City is wanted\n" + strFout;
	    document.Calfotel.Woonplaats.focus();
	}	
			
	if(document.Calfotel.Adres.value.length<1) 
	{
		blnFout = true;
		strFout = "- Adress is wanted\n" +  strFout;
		document.Calfotel.Adres.focus();
	}		
	
	if(document.Calfotel.Naam.value.length<1) 
	{
		blnFout = true;
		strFout = "- Name is wanted\n" +  strFout;
		document.Calfotel.Naam.focus();
	}	
	
	
	if (blnFout)
	{
		alert(strFout);
		return false;
	}
  
  return true;
}