function checkEmail(strEmail) {
	strtmpEmail = String(strEmail)
	if (strtmpEmail.indexOf("@")== -1 || strtmpEmail.indexOf(".")== -1)
		return false
	nAt = strtmpEmail.indexOf("@")
	if (nAt > 0) {
		strCheck = strtmpEmail.slice(nAt + 1)
		if (strCheck.indexOf(".") <= 0 )
			return false
		else
			return ((parseInt(strCheck.length) -1) - parseInt(strCheck.indexOf("."))  > 1 )
	} else
		return false
}