Add to Skritter bookmarklet

javascript:(function()%7Btry%7Bvar%20t=((window.getSelection&&document.activeElement&&(document.activeElement.nodeName=='TEXTAREA'%7C%7C(document.activeElement.nodeName=='INPUT'&&document.activeElement.getAttribute('type').toLowerCase()=='text'))&&document.activeElement.value.substring(document.activeElement.selectionStart,document.activeElement.selectionEnd))%7C%7C(window.getSelection&&window.getSelection())%7C%7C(document.getSelection&&document.getSelection())%7C%7C(document.selection&&document.selection.createRange&&document.selection.createRange().text));javascript:window.open('http://www.skritter.com/vocab/api/add?from=bookmarklet&lang=zh&word='+encodeURIComponent(t),'_bookmarklet');%7Dcatch(e)%7B%7D%7D)();