/* 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();}
}


function plus_min(nr,method){

	if(method == "close"){

		document.getElementById('tr_'+nr+'_open').style.display = '';

		document.getElementById('tr_'+nr+'_close').style.display = 'none';

	} else {

		document.getElementById('tr_'+nr+'_open').style.display = 'none';

		document.getElementById('tr_'+nr+'_close').style.display = '';

	}

}