function checkForm(){
    var requiredEquipment = new Array();
    <?php
    global $equipment_items;

    $number = 0;
    foreach( $equipment_items as $key => $equipment_item ) {
        if ( $equipment_item['essential'] == 'yes' ) {
            echo "requiredEquipment[$number] = $key;\n";
            $number++;
        }
    }

    ?>
    var allInputs = jQuery(":input").not("#submit");
    var selectedEquipment = new Array();
    allInputs.each(function(i){
        selectedEquipment[i] = this.name;
    });
    // Feedback for missing Audiometer
    var n = 0;
    var missedAudiometer = false;
    if ( selectedEquipment[0] == 0 ) {
        n = 1;
    }
    for( var i in selectedEquipment )
    {
        if ( selectedEquipment[n] != requiredEquipment[i] && selectedEquipment[n] != '' )
        {
            if ( requiredEquipment[i] == 5 )
            {
                var missedAudiometer = true;
                n--;
            } else {
                missedEquipmentPrompt();
                return false;
            }
        }
        n++;
    }
    if ( missedAudiometer ) {
        missedAudiometerPrompt();
    }
    // Feedback for selecting OEM
    var n = 1;
    if ( selectedEquipment[0] == 0 ) {
        for( var i in selectedEquipment )
        {
            if ( selectedEquipment[n] != requiredEquipment[i] && selectedEquipment[n] != '' )
            {
                missedEquipmentPrompt();
                return false;
            }
            n++;
        }
        correctButOEMFeedback();
    }
    // Feedback for general missing of equipment
    for( var i in requiredEquipment )
    {
        if ( selectedEquipment[i] != requiredEquipment[i] )
        {
            missedEquipmentPrompt();
            return false;
        }
    }
    allEquipmentCorrectFeedback();
    return false;
}