<script>
function test(){
var returnValue=""; var objXMLHTTP=new ActiveXObject("MICROSOFT.XMLHTTP");
objXMLHTTP.open("GET","server.jsp",false);
objXMLHTTP.send();
var strReturn=objXMLHTTP.ResponseText;
returnValue = strReturn; if(returnValue>0) doSomeThing();}
</script>
function test(){
var returnValue=""; var objXMLHTTP=new ActiveXObject("MICROSOFT.XMLHTTP");
objXMLHTTP.open("GET","server.jsp",false);
objXMLHTTP.send();
var strReturn=objXMLHTTP.ResponseText;
returnValue = strReturn; if(returnValue>0) doSomeThing();}
</script>
http://jkisjk.vip.sina.com/html/getDataFromServer.htm