function isbnconv(){delete xmlHttp;createXMLHttpRequest();var host=window.location.host;var url='http://'+host+'/cgi4/bub.isbn_conv.cgi';var radio=getCheckedValue(document.forms["fisbn"].elements['action']);var query='&isbn='+document.getElementById('isbn').value+'&action='+radio+ '&ajx=2'+'&ts='+new Date().getTime();if(!xmlHttp){window.document.shareform.submit();}else{xmlHttp.open('POST',url,true);xmlHttp.onreadystatechange=handleStateChange_share;xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");xmlHttp.send(query);}}function handleStateChange_share(){if(xmlHttp.readyState==4){if(xmlHttp.status==200){parse_result();}else{alert("Ooops! An error seems to have occured:: Error Code:"+xmlHttp.status);}}}function parse_result(){var xmlDoc=xmlHttp.responseXML;var msgs =xmlDoc.getElementsByTagName("message");var message =msgs[0];if((message!==null)&&(message.childNodes[0]!==null)){try{message =msgs[0].childNodes[0].nodeValue;message=unescape(message);}catch(e){message='';}}else{message='';}try{document.getElementById('message').innerHTML=message;}catch(e){try{document.getElementById('message').value=message;}catch(e){}}}