Form Validation By Switch Case

    <form name="frm" onClick="return formValid(this)">
        <table>
            <tr>
                <td>Form Validation By Switch Case</td>
            </tr>
            <tr>
                <td>
                    <input type="text" name="name" placeholder="Name"/>
                    <span id="showTextName"></span>
                </td>
            </tr>
            <tr>
                <td>
                    <input type="text" name="email" placeholder="Email"/>
                    <span id="showTextEmail"></span>
                </td>
            </tr>
            <tr>
                <td>
                    <input type="text" name="password"/>
                    <span id="showTextPass"></span>
                </td>
            </tr>
            <tr>
                <td>
                    <input type="submit" value="submit"/>
                </td>
            </tr>
        </table>
    </form>

<script>
    function formValid(process){
        with(document.frm) // short in method of form name in javascript
        switch(process){
            case document.frm:
                if(name.value == ""){
                    document.getElementById('showTextName').innerHTML = "Please Enter Your Name";
                    name.select();
                    return false;
                }
                if(email.value == ""){
                    document.getElementById('showTextEmail').innerHTML = "Please Enter Your Email";
                    email.select();
                    return false;
                }
                if(password.value == ""){
                    document.getElementById('showTextPass').innerHTML = "Please Enter Your Password";
                    password.select();
                    return false;
                }
                break;

        }
    }
</script>

<style type="text/css">
    #showTextName,#showTextEmail,#showTextPass{
        color:red;
    }
</style>