function contact( form )
{

  if (form.naam.value == "") {
    alert( "Gelieve ook uw naam in te vullen." );
    form.naam.focus();
    return false ;
  }  

	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(form.email.value)) {}
	else{
    alert( "Vult u alstublieft een geldig e-mailadres in." );
    form.email.focus();
    return false ;
  }
	
  if (form.bericht.value == "") {
    alert( "Het berichtveld is leeg." );
    form.bericht.focus();
    return false ;
  }  	 

return true ;
}


function addBookmark(title,url) {
if (window.sidebar) {
window.sidebar.addPanel(title, url,"");
} else if( document.all ) {
window.external.AddFavorite( url, title);
} else if( window.opera && window.print ) {
return true;
}
}