function highlight(field) {
	field.focus();
  	field.select();
}

function showhide(id){ 

if (document.getElementById){ 

obj = document.getElementById(id); 

tmp = id + "-on";

obj2 = document.getElementById(tmp); 

if (obj.style.display == "none"){ 

obj.style.display = ""; 

obj2.style.display = "none"; 

} else { 

obj.style.display = "none"; 

obj2.style.display = ""; 

} 

} 

}



function bevestig(bericht,pagina) {

	if (confirm(bericht)) {

		document.location = pagina;

	}

}