<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML
4.01 Transitional//EN">
<html>
<head>
<title>Sample Code</title>
<script type="text/javascript">
function CheckIPAddress(MyIPAddress)
{
var CheckIP = /^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/;
if(CheckIP.test(MyIPAddress))
{
alert("Your IP Address Is Valid.");
}
else
{
alert("Your IP Address Is Not Valid.");
}
}
</script>
</head>
<body bgcolor=#00ff00 alink=blue vlink=blue>
<FORM name="windowEvent">
IP Address : <input type="text" name="txtipaddress" />
<input type="button" value="Check" name="btnIPAddress"
onClick="CheckIPAddress(txtipaddress.value)"
/>
</FORM>
</body>
</html>
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