function contactValidate() {
if (document.form1.Name.value == "") {
    alert("Please enter your Name");
    document.form1.Name.focus();
    return false;
  }
 if (document.form1.Organisation.value == "") {
    alert("Please enter the name of your Organisation");
    document.form1.Organisation.focus();
    return false;
  }
  if (document.form1.Street.value == "") {
    alert("Please enter your Street");
    document.form1.Street.focus();
    return false;
  }
  if (document.form1.City.value == "") {
    alert("Please enter your City");
    document.form1.City.focus();
    return false;
  }
   if (document.form1.Country.value == "") {
    alert("Please enter your Country");
    document.form1.Country.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.Questions_Comments.value == "") {
    alert("Please enter your Questions or Comments");
    document.form1.Questions_Comments.focus();
    return false;
  }
else return true;
}