function validEmail(email) 
{
	invalidChars = " /:,;"
	
	if (email == "") 
	{						// cannot be empty
		return false;
	}
	for (i=0; i<invalidChars.length; i++) 
	{	// does it contain any invalid characters?
		badChar = invalidChars.charAt(i)
		if (email.indexOf(badChar,0) > -1) 
		{
			return false;
		}
	}
	atPos = email.indexOf("@",1)			// there must be one "@" symbol
	if (atPos == -1) 
	{
		return false;
	}
	if (email.indexOf("@",atPos+1) != -1) 
	{	// and only one "@" symbol
		return false;
	}
	periodPos = email.indexOf(".",atPos)
	if (periodPos == -1) 
	{					// and at least one "." after the "@"
		return false;
	}
	if (periodPos+3 > email.length)	
	{		// must be at least 2 characters after the "."
		return false;
	}
	return true;	
}

/****************************************************
     AUTHOR: WWW.CGISCRIPT.NET, LLC
     URL: http://www.cgiscript.net
     Use the code for FREE with this message intact.
     Download your FREE CGI/Perl Scripts today!
     ( http://www.cgiscript.net/ )
****************************************************/

function autoTab(startPoint,endPoint)
{
	if (startPoint.getAttribute && startPoint.value.length == startPoint.getAttribute("maxlength"))
		endPoint.focus();
}

function checkNumber(phoneNumber)
{
	var x = phoneNumber;
	if (x.length)
	{
		var phoneNumber=/(^\d+$)|(^\d+\.\d+$)/;
		if (phoneNumber.test(x))
			testResult = true;
		else
		{
			alert("Please enter a valid number.");
			phoneNumber.focus();
			phoneNumber.value = "";
			testResult = false;
		}
		return (testResult);
	}
	else
		return true;
}