Gravity Forms

// prevents page scrolling on both form submission and moving between pages in ajax mode
// old way add_filter("gform_confirmation_anchor", create_function("","return false;"));
add_filter( 'gform_confirmation_anchor', '__return_false' );

add_filter( 'gform_ajax_spinner_url', 'custom_gforms_spinner' );
function custom_gforms_spinner( $src ) {
// note: there is a set of spinner choices in /images
// make more at http://www.ajaxload.info

// example of different spinners on different pages
        if($_SERVER["REQUEST_URI"] == "/")
            return get_stylesheet_directory_uri() . '/images/ajax-spinner-white-on-blue.gif';
        else
            return get_stylesheet_directory_uri() . '/images/ajax-spinner-blue.gif';
}

// clears input box on focus in gravity form
jQuery(document).ready(function() {
    jQuery.fn.cleardefault = function() {
        return this.focus(function() {
            if( this.value == this.defaultValue ) {
                this.value = "";
                }
            }).blur(function() {
            if( !this.value.length ) {
                this.value = this.defaultValue;
            }
        });
    };
    jQuery(".clearit input, .clearit textarea").cleardefault();
});