// JavaScript Document
function VeriFyThIs(a_form){
  OK = true;
  Err = '';
  
  
  if(a_form.telefon.value == ""){
    Err = Err+'Zadejte telefon.\n';
    OK = false;
  }
  
  if ((a_form.email.value == "@") || (a_form.email.value == "")){
    Err = Err+'Zadejte email.\n';
    OK = false;
  }

  
  if(!OK)
    alert(Err);
  
  return OK;
  
}