/* Controle zoek knop */
function app_for_key_submit(app_val_text,app_val_text_emtpy) {
	if (document.app_for_key.k.value == '' || document.app_for_key.k.value == app_val_text || document.app_for_key.k.value == app_val_text_emtpy){
		document.app_for_key.k.value = app_val_text_emtpy; document.app_for_key.k.style.color = '#FF0000';
	} else {document.app_for_key.submit();}
}