function validateform(){
//check standard feilds arent empty
 if (document.enquiry.name.value == ""  || document.enquiry.contact.value == ""  || document.enquiry.address.value == ""  || document.enquiry.message.value == ""){
 alert("Please complete all fields.\nThis information will help us provide you with useful reply.")
 return false;
 }
//check email address
  substremail = document.enquiry.email.value.split("@")
  if (substremail.length > 1) {
    index = substremail[1].indexOf(".")
    if (index == -1) {
      alert("Please enter a valid email address")
      document.enquiry.email.focus()
      return false
    }else{
      return true
    }
  }else{
    alert("Please enter a valid email address")
    document.enquiry.email.focus()
    return false
  }
}