function ToggleDRCheckbox(obj_checkbox)
{
  if(obj_checkbox.checked)
  {
    obj_checkbox.form.doctor.disabled = true;
  }
  else
  {
    obj_checkbox.form.doctor.disabled = false;  
  }
}
function ToggleTECHCheckbox(obj_checkbox)
{
  if(obj_checkbox.checked)
  {
    obj_checkbox.form.tech.disabled = true;
  }
  else
  {
    obj_checkbox.form.tech.disabled = false;  
  }
}
function ToggleHOTELNOCheckbox(obj_checkbox)
{
  if(obj_checkbox.checked)
  {
    obj_checkbox.form.hotel_no.disabled = true;
  }
  else
  {
    obj_checkbox.form.hotel_no.disabled = false;  
  }
}
function ToggleHOTELYESCheckbox(obj_checkbox)
{
  if(obj_checkbox.checked)
  {
    obj_checkbox.form.hotel_yes.disabled = true;
  }
  else
  {
    obj_checkbox.form.hotel_yes.disabled = false;  
  }
}
// ----------------------------------------------------------------------------
//function ToggleSEPT2004Checkbox(obj_checkbox)
//{
//  if(obj_checkbox.checked)
//  {
//    obj_checkbox.form.march2005.disabled = true;
//  }
//  else
//  {
//    obj_checkbox.form.march2005.disabled = false;  
//  }
//}
//function ToggleMARCH2005Checkbox(obj_checkbox)	// doesn't need to do anything at the moment
//{
//  if(obj_checkbox.checked)
//  {
//    obj_checkbox.form.sept2004.disabled = true;
//  }
//  else
//  {
//    obj_checkbox.form.sept2004.disabled = false;  
//  }
//}
// ----------------------------------------------------------------------------
//
//	now we do some fancy schmancy stuff
//
// ----------------------------------------------------------------------------
function ToggleOCT2005Checkbox(obj_checkbox)
{
  if(obj_checkbox.checked)
  {
    obj_checkbox.form.march2005.disabled = true;
  }
  else
  {
    obj_checkbox.form.march2005.disabled = false;  
  }
}
function ToggleMARCH2005Checkbox(obj_checkbox)
{
  if(obj_checkbox.checked)
  {
    obj_checkbox.form.oct2005.disabled = true;
  }
  else
  {
    obj_checkbox.form.oct2005.disabled = false;  
  }
}
// ----------------------------------------------------------------------------
//
// this is for the CHECK checkbox.
//
function ToggleCHECKCheckbox(obj_checkbox)
{
  if(obj_checkbox.checked)
  {
    obj_checkbox.form.visa.disabled = true;
    obj_checkbox.form.mastercard.disabled = true;
    obj_checkbox.form.requiredcc_number.value = "Not Applicable";
    obj_checkbox.form.requiredcc_expiration_date.value = "Not Applicable";
    obj_checkbox.form.requiredcc_name_on_card.value = "Not Applicable";	
  }
  else
  {
    obj_checkbox.form.visa.disabled = false; 
    obj_checkbox.form.mastercard.disabled = false;
    obj_checkbox.form.requiredcc_number.value = "";
    obj_checkbox.form.requiredcc_expiration_date.value = "";
    obj_checkbox.form.requiredcc_name_on_card.value = "";	
  }
}
//
// this is for the MASTERCARD checkbox.
//
function ToggleMCCheckbox(obj_checkbox)
{
  if(obj_checkbox.checked)
  {
    obj_checkbox.form.mastercard.disabled = true;
    obj_checkbox.form.check.disabled = true;
  }
  else
  {
    obj_checkbox.form.mastercard.disabled = false;  
    obj_checkbox.form.check.disabled = false;  
  }
}
//
// this is for the VISA checkbox.
//
function ToggleVISACheckbox(obj_checkbox)
{
  if(obj_checkbox.checked)
  {
    obj_checkbox.form.visa.disabled = true;
    obj_checkbox.form.check.disabled = true;
  }
  else
  {
    //obj_checkbox.form.mastercard.checked = false;
    obj_checkbox.form.visa.disabled = false;  
    obj_checkbox.form.check.disabled = false;  
  }
}