function checkForm(f,must,msgval) {

   var must_arr=must.split(",");
   var msgval_arr=msgval.split(",");
   var msg;
   var empty_fields="";
   for (var i = 0; i < must_arr.length; i++) {
        e=must_arr[i];
        //alert (e);
        if (f.elements[e].value == "") {
        //if (f.elements[i].value == "") {
                empty_fields+="- "+ msgval_arr[i] + "\n";
        }
   }
   if (empty_fields) {
        msg="____________________________________________________________________________ \n\n";
        msg+="Va rugam sa completati campurile obligatorii: \n";
        msg+=empty_fields;
        msg+="____________________________________________________________________________ \n\n";
        alert(msg);
        return false;
   }
   else {
        return true;
   }
  //document.form1.submit();
  }