function checkFeedbackEmail()
{
  if (document.feedback.name.value.length < 1)
  	{
	 	   alert("Please enter your name.");
		   document.feedback.name.focus();
           return false;
	}
	
  if (document.feedback.email.value.length < 1)
  	{
	 	   alert("Please enter an Email address.");
		   document.feedback.email.focus();
           return false;
	}
	 
  if (document.feedback.email.value.length > 0)
          {
          	     
          if ((document.feedback.email.value.indexOf("@") == -1))
          {
           alert("Please enter a valid Email address, that contains an '@' and a '.'");
		   document.feedback.email.focus();
           return false;
          }
    
          if ((document.feedback.email.value.indexOf(".") == -1))
          {
           alert("Please enter a valid Email address, that contains an '@' and a '.'");
		   document.feedback.email.focus();
           return false;
          }
      } 

	if (document.feedback.subject.value.length < 1)
  	{
	 	   alert("Please enter a subject.");
		   document.feedback.subject.focus();
           return false;
	}

	if (document.feedback.message.value.length < 1)
  	{
	 	   alert("Please enter a message.");
		   document.feedback.message.focus();
           return false;
	}
	
	if (document.feedback.txtNumber.value.length < 1)
  	{
	 	   alert("Please enter the number displayed into the box beneath it.");
		   document.feedback.txtNumber.focus();
           return false;
	}
 
// default (ok)
	return true;
}


function checkRecommendEmail()
{
  if (document.recommend.towho.value.length < 1)
  	{
	 	   alert("Please enter an Email address.");
           return false;
	}
	 
  if (document.recommend.towho.value.length > 0)
          {
          	     
          if ((document.recommend.towho.value.indexOf("@") == -1))
          {
           alert("Please enter a valid Email address, that contains an '@' and a '.'");
           return false;
          }
    
          if ((document.recommend.towho.value.indexOf(".") == -1))
          {
           alert("Please enter a valid Email address, that contains an '@' and a '.'");
           return false;
          }
      } 
	  
  
 
// default (ok)
	return true;
}