function chkEmail(EMail)
{
	var EMailAt = EMail.indexOf("@")
	var InvalidChar = "\\/`~!#$%^*()+=|]}[{:;',?"
	var LenInvalidChar = (InvalidChar.length - 1)
	var EMailDot = EMail.lastIndexOf(".")
	var ContLoop = true
	var Counter = 0
	var WhichChar = ""
	
	if( EMail.length < 5)
		return false;
	
	if( EMailAt < 0)
		return false;
		
	if( EMailAt >= EMailDot)
		return false;
		
	if( (EMailAt + 3) >= EMail.length)
		return false; 
		
	if (EMail.indexOf(" ") >= 0)
		return false;	
	
	while (ContLoop == true)
	{
		WhichChar = InvalidChar.substring(Counter,Counter+1);
		if (EMail.indexOf(WhichChar) > 0)
			return false;
		Counter = Counter + 1;
		if (Counter > LenInvalidChar)
			ContLoop = false;
	}
	return true;
}