function validEmail(email) { invalidChars = " /:,;" if (email == "") { return false } for (i=0; i -1) { return false } } atPos = email.indexOf("@",1) if (atPos == -1) { return false } if (email.indexOf("@",atPos+1) > -1) { return false } periodPos = email.indexOf(".",atPos) if (periodPos == -1) { return false } if (periodPos+3 > email.length) { return false } return true } function submitIt(infoForm) { if (!validEmail(infoForm.Email.value)) { alert("You have entered an invalid email address. Please check your entry and correct.") infoForm.Email.focus() infoForm.Email.select() return false } return true }