java applet 签名和实例
http://www.blogjava.net/nokiaguy/archive/2009/02/06/253636.html
var result=false; var appletforward = document.getElementById('forwardport'); setTimeout(function() { try{//其中portForward是applet java代码中提供的一个方法result=appletforward.portForward();}catch(ex){alert(ex); } }, 100000);