danielebarchiesi@2: (function($) {
danielebarchiesi@2: 
danielebarchiesi@2:   Drupal.behaviors.captchaAdmin = {
danielebarchiesi@2:     attach : function(context) {
danielebarchiesi@2: 
danielebarchiesi@2:       // Helper function to show/hide noise level widget.
danielebarchiesi@2:       var noise_level_shower = function(speed) {
danielebarchiesi@2:         speed = (typeof speed == 'undefined') ? 'slow' : speed;
danielebarchiesi@2:         if ($("#edit-image-captcha-dot-noise").is(":checked")
danielebarchiesi@2:             || $("#edit-image-captcha-line-noise").is(":checked")) {
danielebarchiesi@2:           $(".form-item-image-captcha-noise-level").show(speed);
danielebarchiesi@2:         } else {
danielebarchiesi@2:           $(".form-item-image-captcha-noise-level").hide(speed);
danielebarchiesi@2:         }
danielebarchiesi@2:       }
danielebarchiesi@2:       // Add onclick handler to the dot and line noise check boxes.
danielebarchiesi@2:       $("#edit-image-captcha-dot-noise").click(noise_level_shower);
danielebarchiesi@2:       $("#edit-image-captcha-line-noise").click(noise_level_shower);
danielebarchiesi@2:       // Show or hide appropriately on page load.
danielebarchiesi@2:       noise_level_shower(0);
danielebarchiesi@2: 
danielebarchiesi@2:       // Helper function to show/hide smooth distortion widget.
danielebarchiesi@2:       var smooth_distortion_shower = function(speed) {
danielebarchiesi@2:         speed = (typeof speed == 'undefined') ? 'slow' : speed;
danielebarchiesi@2:         if ($("#edit-image-captcha-distortion-amplitude").val() > 0) {
danielebarchiesi@2:           $(".form-item-image-captcha-bilinear-interpolation").show(speed);
danielebarchiesi@2:         } else {
danielebarchiesi@2:           $(".form-item-image-captcha-bilinear-interpolation").hide(speed);
danielebarchiesi@2:         }
danielebarchiesi@2:       }
danielebarchiesi@2:       // Add onchange handler to the distortion level select widget.
danielebarchiesi@2:       $("#edit-image-captcha-distortion-amplitude").change(
danielebarchiesi@2:           smooth_distortion_shower);
danielebarchiesi@2:       // Show or hide appropriately on page load.
danielebarchiesi@2:       smooth_distortion_shower(0)
danielebarchiesi@2: 
danielebarchiesi@2:     }
danielebarchiesi@2:   };
danielebarchiesi@2: 
danielebarchiesi@2: })(jQuery);