function ValidateForm(form)
{
	if( (form.first_name.value) == "" ) 
   { 
      alert('You have not entered your First Name') 
      form.first_name.focus(); 
      return false; 
   } 
  if( (form.last_name.value) == "" ) 
   { 
      alert('You have not entered your Last Name') 
      form.last_name.focus(); 
      return false; 
   } 
     if( (form.email.value) == "" ) 
   { 
      alert('You have not entered your email address') 
      form.email.focus(); 
      return false; 
   } 
     if( (form.phone.value) == "" ) 
   { 
      alert('You have not entered your phone number') 
      form.phone.focus(); 
      return false; 
   } 

	    if( (form.how_volunteer.value) == "" ) 
   { 
      alert('Please tell us how you wish to volunteer') 
      form.how_volunteer.focus(); 
      return false; 
   } 
    if( (form.undertaking.value) == "" ) 
   { 
      alert('Please accept the undertaking') 
      form.undertaking.focus(); 
      return false; 
   } 
	     if( (form.security_code.value) == "" ) 
   { 
      alert('You have not entered the security code') 
      form.security_code.focus(); 
      return false; 
   } 
return true;
 
}