<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/REC-html140/strict.dtd"> 
<html> 
<head> 
<meta http-equiv="Content-Type" content="text/html;charset=gb2312"> 
<title>Sample Page! </title> 
</head> 
<body> 
<center> 
<br> 
<p>click"test" </p> <form name="MyForm" id="MyForm"> 
  <input type="button" name="MyButton" id="MyButton" value="test"> 
</form> 
<script language="JavaScript" type="text/javascript"> 
<!-- 
document.MyForm.MyButton.onclick=function()

alert("you have click me"); 

--> 
</script> 
</center> 
</body> 
</html>