var update_support_button_options = function() { if(jQuery("input:checkbox.support_button_enabled").attr("checked")) { jQuery("#support-link-options > tbody > tr").not("#support-link-options > tbody > tr:first").fadeIn(); } else { jQuery("#support-link-options > tbody > tr").not("#support-link-options > tbody > tr:first").fadeOut(); } } jQuery("document").ready( function() { jQuery("input:checkbox.support_button_enabled").change(update_support_button_options); update_support_button_options(); } );