function formValidate() {

    if (document.form1.Name.value == "") {
    alert("Please enter your name.");
    document.form1.Name.focus();
    return false;
  }
  if (document.form1.Phone.value == "") {
    alert("Please enter your phone number.");
    document.form1.Phone.focus();
    return false;
  }
  if (document.form1.Email.value == "") {
    alert("Please enter your email address.");
    document.form1.Email.focus();
    return false;
  }
 if (document.form1.Affiliation[0].checked == false && document.form1.Affiliation[1].checked == false && document.form1.Affiliation[2].checked == false && document.form1.Affiliation[3].checked == false && document.form1.Affiliation[4].checked == false && document.form1.Affiliation[5].checked == false && document.form1.Affiliation[6].checked == false) {
    alert("Please select affiliation with the University.");
    document.form1.Affiliation[0].focus();
    return false;
  }
 if (document.form1.Subject.value == "") {
    alert("Please enter the Subject of your question.");
    document.form1.Subject.focus();
    return false;
  }
 if (document.form1.Materials[0].checked == false && document.form1.Materials[1].checked == false && document.form1.Materials[2].checked == false && document.form1.Materials[3].checked == false) {
    alert("Please enter the materials you are looking for.");
    document.form1.Materials[0].focus();
    return false;
  }
 if (document.form1.Project[0].checked == false && document.form1.Project[1].checked == false) {
    alert("Please enter name of your project.");
    document.form1.Project[0].focus();
    return false;
  }
 if (document.form1.Question.value == "") {
    alert("Please enter your question.");
    document.form1.Question.focus();
    return false;
  }
 if (document.form1.Background.value == "") {
    alert("Please enter your background.");
    document.form1.Background.focus();
    return false;
  }

  return true;  
}