function checkForm()
	{
	with (document.frm){
		// Check Email
		if (!isEmail(email.value))
		{
			alert("Please enter a valid Email address");
			email.focus();
			return(false);
		}
		
		// Check Name
		if (isWhitespace(name.value))
		{
			alert("Please enter your name");
			name.focus();
			return(false);
		}
		
		// Check Comments
		if (isWhitespace(message.value))
		{
			alert("Please enter your message");
			message.focus();
			return(false);
		}		
	return(true);
		}
	}
	
	function isEmpty(s)
	{
		return ((s == null) || (s.length == 0));
	}
	
	function isWhitespace(s)
	{
		var i;
		var whitespace = "\t\n\r ";
		
		if (isEmpty(s))
			return(true);
		for (i = 0;i < s.length; i++)
		{
			var c = s.charAt(i);
			if (whitespace.indexOf(c) == -1)
				return(false);
		}	 
		return(true);
	}
	
	function isEmail(s)
	{
		var reEmail = /^.+\@.+\..+$/;
		return(reEmail.test(s));
	}