<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>无标题文档</title>
</head>
<script type="text/javascript">
function fun1(curObj) {
curObj.value="测试2";
curObj.onclick= function(){fun2(curObj);};
alert("fun1 occurred!");
}
function fun2(curObj) {
curObj.onclick=function(){fun1(curObj);};
curObj.value="测试1";
alert("fun2 occurred!");
}
</script>
<body>
<input type="button" onclick="fun1(this);" value="测试1"/>
</body>
</html>
