function setimage(bestand_id){
    document.getElementById('vergroting').src='/viewdbimg.asp?id='+bestand_id+'&maxbreedte=568&maxhoogte=568';
    document.getElementById("vergroting_link").href = "/viewdbimg.asp?id="+bestand_id+"&maxbreedte=800&maxhoogte=600";
}
function setDefaultTextFocus(formObj, defText) {
  if (formObj.value == defText) {
    formObj.value = '';
  }
}
function setDefaultTextBlur(formObj, defText) {
  if (formObj.value == '') {
    formObj.value = defText;
  }
}