//
// These functions addded by Jeff Johnson
//


// from http://www.w3schools.com/js/js_form_validation.asp
// generic required field checker (used to validate if form field is null)
function validate_required(field,alerttxt)	{
	with (field)
	{
	if (value==null||value=="")
  		{alert(alerttxt);return false}
	else {return true}
	}
}

// used to validate form fields
function validate_form(thisform) {
	with (thisform)
	{
	if (validate_required(message,"Please provide a message.")==false)
  		{message.focus();return false}
	}
}