// JavaScript Document 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(chkForm) { if (chkForm.name.value == "") { alert("You must enter your name.") return false } if (!validEmail(chkForm.email.value)) { alert("Invalid email address. Please enter your email address again.") return false } if (chkForm.query.value == "") { alert("You must enter your query.") return false } return true }