(function($) {

    /**
     * Spoofs placeholders in browsers that don't support them. (eg Firefox 3)
     * 
     * Copyright 2011 Dan Bentley
     * Licensed under the Apache License 2.0
     *
     * Author: Dan Bentley [github.com/danbentley]
     */

    // Return if native support is available.
    if ("placeholder" in document.createElement("input")) return;

    function setupPlaceholder(input) {

        var placeholderText = input.attr('placeholder');

        if (input.val() === '') input.val(placeholderText);
        input.bind('focus blur', function(e) {
            if (e.type === 'focus' && input.val() === placeholderText) input.val(''); 
            if (e.type === 'blur' && input.val() === '') input.val(placeholderText); 
        });
    }

    function clearPlaceholdersBeforeSubmit(form) {
        form.find(':input[placeholder]').each(function() {
            var el = $(this);
            if (el.val() === el.attr('placeholder')) el.val('');
        });
    }
 
    $(':input[placeholder]').each(function(index) {
        setupPlaceholder($(this));
    });
   
    $('form').submit(function(e) {
        clearPlaceholdersBeforeSubmit($(this));
    });
})(jQuery);