function search(){
  var keyword=document.getElementById('keyword').value;
  if(keyword!=''){
    //%2F
    //alert(keyword.replace('/','%2F'))
      window.location.href='/'+keyword+'.html';
//      window.location.href='/'+escape(keyword)+'.html';
//      window.location.href='/'+escape(keyword).replace('/','%2F')+'.html';
//      window.location.href='/'+keyword.replace('/','%2F')+'.html';
  }else{
    return false;
  }
}
function showresult(){
  var showresult=document.getElementById('showresult');
  var keyword=document.getElementById('keyword').value;
//  alert(showresult.innerHTML);
  showresult.innerHTML='';
  showresult.innerHTML=keyword;
}