Site search bookmarklet (DDG)

javascript:q=""+(window.getSelection?window.getSelection():document.getSelection?document.getSelection():document.selection.createRange().text);if(!q)q=prompt("Enter%20search%20term:").replace(/\s\+/g,"%252B");if(q!=null)location="http://duckduckgo.com/?q="+q.replace(/\s+/g,"+")+"+site:"+location.hostname;void(0);