function Validation_Costs() 
 {
    var forma = document.forms.costs;
    
    if (forma.name.value == '' || forma.email.value == '' || forma.kod.value == '' || forma.company.value == '' || forma.country.value == '')  
    {
      pass = false; 
      alert('Please, enter data in text fields!'); 
      forma.name.focus();     
      return false;
    }
    else               
    return true; 
    
  }