function simpleCheck(form) {
checkEmail = form.txtEmail.value

if (form.txtName.value == "") {
alert("Please include a name"); 
form.txtName.select(); }

else if (form.txtEmail.value == "") {
alert("Please include an email address");
form.txtEmail.select(); }


else if ((checkEmail.indexOf('@') < 0) || ((checkEmail.charAt(checkEmail.length-4) != '.') && (checkEmail.charAt(checkEmail.length-3) != '.'))) 
{alert("You have entered an invalid email address. Please try again.");
form.txtEmail.select();
return false;
} 

else if (form.txtSubject.value == "") {
alert("Please include the Subject");
form.txtSubject.select(); }

else if (form.txtMessage.value == "") {
alert("Please include the Message");
form.txtMessage.select(); }

else {
form.method="post";
form.target="_self";
form.action="feedback.php";
form.submit();
}
}







//--></script>