This is an example of text field filtering and interactive feedback.
Personal Information Last Name:  
First Name:  
Email:  
                     
        <form action="validation.html" method="post">
            <fieldset>
                <legend align="top">Personal Information</legend>
                Last Name:
                <input id="last-name" tabindex="1" type="text"/>
                <font color="red" face="arial, helvetica" id="status-last-name" size="-2">
                    &amp;nbsp;
                </font>
                <br/>
                First Name:
                <input id="first-name" tabindex="2" type="text"/>
                <font color="red" face="arial, helvetica" id="status-first-name" size="-2">
                    &amp;nbsp;
                </font>
                <br/>
                Email:
                <input id="email" tabindex="3" type="text"/>
                <font color="red" face="arial, helvetica" id="status-email" size="-2">
                    &amp;nbsp;
                </font>
                <br/>
                <center><input onclick="return validateForm();" type="button" value="Submit"/>
                </center>
            </fieldset>
        </form>