function submitForm(){
    if(validateForm()){
      document.getElementById('feedback-form').submit()
    }
  }
  
  function cancelForm(){
    alert('No information was saved\n\nYou will now be redirected to the offers page.')
    document.location.href='/offers.aspx'
  }
  
  function validateForm(){
		var message = ""
		var highlighColour = '#F4D8D6';
		document.getElementById('email').style.backgroundColor = '#FFFFFF';
		document.getElementById('feedback').style.backgroundColor = '#FFFFFF';
		document.getElementById('captcha').style.backgroundColor = '#FFFFFF';
		
		if(!validateEmailAddress(document.getElementById('email'))){
		  document.getElementById('email').style.backgroundColor = highlighColour ;
		  message += "   Invalid email address\n";
		}
		if (document.getElementById('feedback').value == ""){
		  document.getElementById('feedback').style.backgroundColor = highlighColour ;
		  message += "   Please enter your feedback\n";
		}
		if (document.getElementById('captcha').value == ""){
		  document.getElementById('captcha').style.backgroundColor = highlighColour ;
		  message += "   Please enter the verification text\n";
		}
		
		if(document.getElementById('captcha').value == "") document.getElementById('captcha').focus();
		if(document.getElementById('feedback').value == "") document.getElementById('feedback').focus();
		if(!validateEmailAddress(document.getElementById('email'))) document.getElementById('email').focus();
		
		if (message.length == 0){
			return true;
		}
		else {
			message = "Please check the following information:\n\n" + message;
			alert(message);
			return false;
		}
  }