function checkurlform () {
	url = $F('url');
	if(substr_count(url,'http://') == 0) {
		alert('Geen geldige url.')
		return false;
	}
	$('editform').submit();
}

function showurllist(site_id) {
//	site_id = $('site_id').value;
	new Ajax.Updater('search_result','ajaxcallback.php?action=showurllist&site_id='+site_id);
}