// Remove body class for any previous theme, re-add current one$('body').removeClass('ui_basic ui_mars ui_modern ui_gray ui_color')$('body').addClass('<%=app_theme%>')// Re-render the header to reflect the new theme$('header').html('<%=escape_javascript(render("layouts/head_panel",title: "Profile"))%>')// Re-initialize header tooltips$('.has_bottom_tooltip').tooltip({placement: 'bottom'})