404. That’s an error.

The requested URL /custom?q=restriction&client=pub-2432179095040307&cof=FORID:13%3BAH:left%3BCX:Hermetic%2520Library%2520Site%2520Search%3BL:http://www.google.com/intl/en/images/logos/custom_search_logo_sm.gif%3BLH:30%3BLP:1%3BT:%23333333%3BLC:%23444444%3BGALT:%23000000%3BKMBGC:%23E6E6E6%3BKMBOC:%23CCCCCC%3BKMTC:%230000CC%3BKMTVC:%230000CC%3BKMUC:%2300CC00%3B&cx=partner-pub-2432179095040307:9583942317&adkw=AELymgWFGOf9PQTTnU_Zg-xErDgmuMtDNWh2iqjuXHNT3FEEYOnFH9DTmadlXqXuru89UFA6TSrqLsKMY_ChNvCrvWX7s22WsvibGsDSzL0NhnRX7-ypYReZHuVVAnSctRu-Pn4QJORRqjPjjzdsPpODys9YH2IpC60s6i2Vlji0YDYtHmYmzoSnTI8TEWUaC2rqVhs9W83X8vdseWxuSumTbgKRXdNfcwc1a09BotUuGS1VyjI2BguI8aLOkaInrnPMFf7lv1sI&hl=en&boostcse=0&ie=UTF-8&oe=UTF-8&prmd=ivnsap&ei=Pt3qVaydBMe2eZielegG&start=60&sa=N was not found on this server. That’s all we know.