function validEmail(email) { invalidChars = " /:,;" for (i=0; i -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 } function submission(formTest) { ok = true; out = ""; if ((formTest.mail.value == "") || (!validEmail(formTest.mail.value))) { out = out + "
  • Invalid e-mail address."; ok = false; } if(!ok) { newWin = window.open('','Wind', 'toolbars=no, location=no, width=300, height=250, left=250, top=150'); newWin.document.write("Login Error"+ "
    LOGIN ERROR
    Please fix the following problems
    "); newWin.focus(); newWin.document.close(); return false; } ans = confirm("Thank You For Joining Our List\nPlease Check Your E-mail Address\nBefore Continuing \nEmail: \t" + formTest.mail.value+ "\n\n Is This Correct?\n(hitting 'OK' will add you to our mailing list)"); if(!ans) {return false;} return true; }