>>36
>>24の@の要領で可能
追加する1行は↓
if (/search\.yahoo\.co\.jp/.test(document.URL))
nextValue = ~document.URL.lastIndexOf('&b=') ? document.URL.replace(/(&b=)\d+/, '$1' + nextLink.href.slice(nextLink.href.lastIndexOf('=')+1)) : document.URL + '&b=' + nextLink.href.slice(nextLink.href.lastIndexOf('=')+1);