var urlAddress = parent.document.location; var pageName = document.title;  function addwishlist() { try { //IE     window.external.addWishlist(urlAddress, pageName); } catch (e) {     try { //Firefox         window.sidebar.addPanel(pageName, urlAddress, "");     }      catch(e){         alert('Unfortunately, your browser does not support this action,' + ' please bookmark this page manually by pressing Ctrl + D on PC or Cmd + D on Mac.');      } } }