function submitform(f) {
        var fx = $(f.id);
        fx.set('send', {onComplete: function(response) {
                 var resp = JSON.decode(response);
                 if (resp.list!=null) {
                     for (i=0; i<resp.list.length; i++) {
                         $('error_'+resp.list[i].field).set('html',resp.list[i].msg);
                     }
                 } else {
                     location.href=resp.link;
                 }
            //log.removeClass('ajax-loading');
            //log.set('html', response);
        }});
        //Send the form.
        fx.send();

 }

 function pokazpola(pola,chk) {
     if (pola!='') {
         var polatab = pola.split(',');
         if (chk) {
            for(i=0; i<polatab.length; i++) {
                $('fieldwrapper-'+polatab[i]).setStyle('display','block');
            }
         } else {
            for(i=0; i<polatab.length; i++) {
                $('fieldwrapper-'+polatab[i]).setStyle('display','none');
            }
         }
     }

 }