<form id="theForm" class="formContainer">
<div class="formbox formbox-33">
    <input type="text" name="FirstName" class="inputField required">
    <label class="float-label">First Name:</label>
</div>
<button type="Submit" id="submitButton">Submit</button>
</form>

    <form id="theForm2" class="formContainer">
<div class="formbox formbox-33">
    <input type="text" name="FirstName" class="inputField required">
    <label class="float-label">First Name:</label>
</div>
<button type="Submit" id="submitButton">Submit</button>
</form>

<script type="text/javascript">
$(document).ready(function() {
// Initializing the forms present on current page
    $("#theForm").validate();
    $("#theForm2").validate();
});
</script>

var $theForm = $(".formContainer"),
$form = $theForm.validate();

$theForm.on('blur', '.inputField', function(e){
        if( $(this).hasClass("errorMessage") && $(this).parent().not( "invalid" ) ) {
            $( this ).parent().addClass(" invalid");
            $( this ).parent().removeClass("inputValid");
        }
        if( $(this).hasClass("valid") ) {
            $( this ).parent().addClass(" inputValid");
            $( this ).parent().removeClass("invalid");
        }
    });

$( ".button-reset" ).click(function() {

        var parentFinder = '#' + $(this).parents('.formContainer').attr("id");
        var $FormReseter = $(parentFinder).validate();
        $FormReseter.resetForm();
        $(parentFinder + " .inputValid").removeClass("inputValid");
        $(parentFinder + " .invalid").removeClass("invalid");

    });

$(".formContainer").each(function(i, obj) {
        $form = $(this).validate();
$(this).on('blur', '.inputField', function(e){
        if( $(this).hasClass("errorMessage") && $(this).parent().not( "invalid" ) ) {
            $( this ).parent().addClass(" invalid");
            $( this ).parent().removeClass("inputValid");
        }
        if( $(this).hasClass("valid") ) {
            $( this ).parent().addClass(" inputValid");
            $( this ).parent().removeClass("invalid");
        }
    });
 });