site restricted google search for current page bookmark

javascript:q=%22%22+(window.getSelection?window.getSelection():document.getSelection?document.getSelection():document.selection.createRange().text);if(!q)q=prompt(%22Search%20terms%20%5Bleave%20selection%20and%20box%20blank%20to%20list%20all%20pages%5D%20...%22).replace(/%5Cs%5C+/g,%22%252B%22);if(q!=null)location=%22http://www.google.com/search?q=%22+q.replace(/%5Cs+/g,%22+%22)+%22+site:%22+location.hostname;void(0);