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) {
t=t.replace(/[!.:?,;"]/, '');
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://wikipedia.orange.es/w/index.php?title=Especial%3ASearch&search='+encodeURIComponent(t)+'&go=Ir', 'dict', 'width=700,height=500,resizable=1,menubar=1,scrollbars=1,status=1,titlebar=1,toolbar=1,location=1,personalbar=1');
}   
};
status='double-click any word - get its instant definition in the dictionary.';
document.ondblclick=dictionary;