function validate_form ( )
{
	valid = true;
	  if ( document.form.name.value == "" )
        {
                alert ( "Please provide your name." );
                valid = false;
				return valid;
       }
	  	   if ( document.form.email.value == "" )
        {
                alert ( "Please provide your email address." );
                valid = false;
				return valid;
       }
	   if ( document.form.phone.value == "" )
        {
                alert ( "Please provide your phone number." );
                valid = false;
				return valid;
       }
	   valid = true;
	   return document.form.submit();
}