<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>新建网页 1</title>
</head>
<body>
<form method="POST" enctype="multipart/form-data" onsubmit ="return check()" name ="frm" action="index2.htm" >
<p><input type="file" name="F1" size="20"><input type="submit" value="提交" name="B1"><input type="reset" value="重置" name="B2"></p>
</form>
<script type ="text/javascript">
function check()
{
var filename = frm.F1.value ;
filename = filename.substring(filename.lastIndexOf("\\")+1,filename.length);
var patrn=/^.*.htm$/ig;
alert(filename);
if(!patrn.test(filename))
{
alert(patrn.test(filename));
return false;
}
return true;
}
</script>
</body>
</html>
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