function change_searchers(d){web=document.getElementById("searchWeb");local=document.getElementById("searchLocal");reference=document.getElementById("searchReference");other=document.getElementById("searchOther");opt_web=document.getElementById("opt_web");opt_local=document.getElementById("opt_local");opt_reference=document.getElementById("opt_reference");opt_other=document.getElementById("opt_other");web.style.display="none";local.style.display="none";reference.style.display="none";other.style.display="none";opt_web.className="";opt_local.className="";opt_reference.className="";opt_other.className="";if(d=="web"){web.style.display="block";opt_web.className="on";document.getElementById("searchGoogle").checked=true;}else{if(d=="local"){local.style.display="block";opt_local.className="on";document.getElementById("searchGoogleLocal").checked=true;}else{if(d=="reference"){reference.style.display="block";opt_reference.className="on";document.getElementById("searchWikipedia").checked=true;}else{if(d=="other"){other.style.display="block";opt_other.className="on";document.getElementById("searchAmazon").checked=true;}}}}}function do_search(f){q=f.elements["searchField"].value;for(var i=0;i<f.elements["searchSource"].length;i++){if(f.elements["searchSource"][i].checked){t=f.elements["searchSource"][i].value;}}url=t+q;window.location.href=url;}