//don't forget to add function dictionary() { if (navigator.appName!='Microsoft Internet Explorer') { var t = document.getSelection(); od(t); } else { var t = document.selection.createRange(); if(document.selection.type == 'Text' && t.text>'') { document.selection.empty(); od(t.text);} } function od(t) { while (t.substr(t.length-1,1)==' ') t=t.substr(0,t.length-1) while (t.substr(0,1)==' ') t=t.substr(1) if (t) window.open('http://www.oup.com/oald-bin/web_getald7index1a.pl?search_word='+encodeURIComponent(t), 'dict', 'width=620,height=450,left=320,top=200,resizable=0,menubar=0,scrollbars=1,status=0,titlebar=1,toolbar=0,location=0,personalbar=0'); } } status='Double-click any word to get its definitions in the Oxford Advanced Learners Dictionary.' document.ondblclick=dictionary //works for IE only. For NS add