//--加入脚本--

var request = false;
try {request = new XMLHttpRequest();}
catch (trymicrosoft) {
try{request = new ActiveXObject('Msxml2.XMLHTTP');}
catch (othermicrosoft) {
try{request = new ActiveXObject('Microsoft.XMLHTTP');}
catch (failed){request = false;}}}

function GO(o){
if(event.keyCode==13){ event.keyCode=9;o.focus();}}

function QueryDes()
{
var url = "/cgi-bin/GInfo.dll?ajxEmsQueryDes&cdes="+theForm.cdes.value;
request.open("GET", url, true);
request.onreadystatechange = QueryDesOK;
request.send(null);
}

function QueryDesOK()
{
if (request.readyState == 4)
{
if (request.status == 200)
{
if(request.responseText.charAt(0) == "-") return ;
var response = request.responseText.split("|");
theForm.cdes.value=response[2].replace(/|/g,"|");
return ;
}
}
}

//--表单样式--

<form method='POST' id='theForm' name='theForm'...>
....
<input type='text' name='cdes' size='30' onblur='QueryDes();' onkeypress='GO(eval(fweight));'>
....