<!--
function addtobasket_cb( ret ){
  document.getElementById("basketcount").innerHTML ++;
  document.getElementById("addtobasket_" + ret ).innerHTML = "已經加入書籃";  
}

function addtobasket( isbn ){
  document.getElementById("addtobasket_" + isbn ).innerHTML = "加入書籃中...";  
  x_ajax_addtobasket( isbn, addtobasket_cb );
}

function deletefrombasket_cb( ret ){
  if ( ret != 0 ){
    document.getElementById('basket_' + ret).innerHTML = '';
    document.getElementById('basketcount').innerHTML --;
  }
}

function deletefrombasket( isbn ){
  x_ajax_deletefrombasket( isbn, deletefrombasket_cb );
}

function clean_basket_cb( ret ){
  isbns = ret.split('\n');
  for ( i = 0 ; i < isbns.length ; i ++ ){
    document.getElementById('basket_' + isbns[i]).innerHTML = '';
  }
  document.getElementById('basketcount').innerHTML = 0;
}
function clean_basket(){
  x_ajax_clean_basket(  clean_basket_cb );
}
-->