function validate_feedback(form_type)
  {
  switch(form_type)
    {
    case 'complaint':
    
    if(document.complaints_form.elements['first_name'].value == '')
      {
      alert('Please enter a first name');
      return false;
      }
      
    if(document.complaints_form.elements['last_name'].value == '')
      {
      alert('Please enter a last name');
      return false;
      }  
      
    if(document.complaints_form.elements['address'].value == '')
      {
      alert('Please enter an address');
      return false;
      }  
      
//     if(document.complaints_form.elements['suburb'].value == '')
//       {
//       alert('Please enter a suburb');
//       return false;
//       }  
//       
//     if(document.complaints_form.elements['town'].value == '')
//       {
//       alert('Please enter a town');
//       return false;
//       }  
//       
//     if(document.complaints_form.elements['city'].value == '')
//       {
//       alert('Please enter a city');
//       return false;
//       }  
      
    if(isNaN(parseInt(document.complaints_form.elements['region'].value)))
      {
      alert('Please enter a region');
      return false;
      }  
      
//     if(document.complaints_form.elements['cellphone'].value == '')
//       {
//       alert('Please enter a cellphone number');
//       return false;
//       }  
//       
//     if(document.complaints_form.elements['home_phone'].value == '')
//       {
//       alert('Please enter a home phone number');
//       return false;
//       }  
      
    if(document.complaints_form.elements['work_phone'].value == '')
      {
      alert('Please enter a work phone number');
      return false;
      }  
      
    if(document.complaints_form.elements['email'].value == '')
      {
      alert('Please enter a valid email address');
      return false;
      }  
      
    if(document.complaints_form.elements['complaint'].value == '')
      {
      alert('Please enter a complaint');
      return false;
      }  
      
    break;
    
    
    case 'enquiry':
    
    if(document.enquiry_form.elements['first_name'].value == '')
      {
      alert('Please enter a first name');
      return false;
      }
      
    if(document.enquiry_form.elements['last_name'].value == '')
      {
      alert('Please enter a last name');
      return false;
      }  
      
    if(document.enquiry_form.elements['address'].value == '')
      {
      alert('Please enter an address');
      return false;
      }  
      
//     if(document.enquiry_form.elements['suburb'].value == '')
//       {
//       alert('Please enter a suburb');
//       return false;
//       }  
//       
//     if(document.enquiry_form.elements['town'].value == '')
//       {
//       alert('Please enter a town');
//       return false;
//       }  
//       
//     if(document.enquiry_form.elements['city'].value == '')
//       {
//       alert('Please enter a city');
//       return false;
//       }  
      
    if(isNaN(parseInt(document.enquiry_form.elements['region'].value)))
      {
      alert('Please enter a region');
      return false;
      }  
      
//     if(document.enquiry_form.elements['cellphone'].value == '')
//       {
//       alert('Please enter a cellphone number');
//       return false;
//       }  
      
    if(document.enquiry_form.elements['work_phone'].value == '')
      {
      alert('Please enter a work phone number');
      return false;
      }  
      
    if(document.enquiry_form.elements['email'].value == '')
      {
      alert('Please enter a valid email address');
      return false;
      }  
      
    if(document.enquiry_form.elements['enquiry'].value == '')
      {
      alert('Please enter a enquiry');
      return false;
      }  
      
    break;
    
    default:
    return false
    break;
    }
  }