function Validate()
{
//validate name
  if (document.form1.name.value == "")
  {
    alert("Please enter your name");
	document.form1.name.focus()
	return false
  }
  if (document.form1.surname.value == "")
  {
    alert("Please enter your surname");
	document.form1.surname.focus()
	return false
  }
  if (document.form1.co.value == "")
  {
    alert("Please enter your company name");
	document.form1.co.focus()
	return false
  }
  if (document.form1.reg.value == "")
  {
    alert("Please enter your company reg number");
	document.form1.reg.focus()
	return false
  }
  if (document.form1.vehicle.value == "")
  {
    alert("Please enter your vehicle type");
	document.form1.vehicle.focus()
	return false
  }
  if (document.form1.model.value == "")
  {
    alert("Please enter your model");
	document.form1.model.focus()
	return false
  }
  if (document.form1.address1.value == "")
  {
    alert("Please enter your address");
	document.form1.address1.focus()
	return false
  }
  if (document.form1.address2.value == "")
  {
    alert("Please enter your address name");
	document.form1.address2.focus()
	return false
  }
  if (document.form1.address3.value == "")
  {
    alert("Please enter your address name");
	document.form1.address3.focus()
	return false
  }
  if (document.form1.code.value == "")
  {
    alert("Please enter your code name");
	document.form1.code.focus()
	return false
  }
  if (document.form1.tel.value == "")
  {
    alert("Please enter your Telephone");
	document.form1.tel.focus()
	return false
  }
  if (document.form1.fax.value == "")
  {
    alert("Please enter your Fax number");
	document.form1.fax.focus()
	return false
  }
 //validate if email is not empty
  if (document.form1.email.value == "")
  {
    alert("Please enter your Email address");
	document.form1.email.focus()
	return false
  }
 //validate if email adress has @
  if ((document.form1.email.value.indexOf ('@',0) == -1 ||
   document.form1.email.value.indexOf ('.',0) == -1) &&
   document.form1.email.value != "")
  {
    alert("Please verify that your email address is in a correct format.");
	document.form1.email.focus()
	return false
  }
   
}