function validate()
{
 if (window.document.guideform.txtCoName.value.length<2)
  {
  alert("Please enter company's full name.")
  return false
  }
 if (window.document.guideform.txtAddress.value.length<5)
  {
  alert("Please enter your company's full address.")
  return false
  }
 if (window.document.guideform.txtTel.value.length<10)
  {
  alert("Please enter your phone number inlcuding area code properly.")
  return false
  }
 if (window.document.guideform.txtEMail.value.indexOf("@")==-1)
  {
  alert("Please enter a valid Email address")
  return false
  }
if (window.document.guideform.txtLastName.value.length<2)
  {
  alert("Please let us know who to contact")
  return false
  }
if (window.document.guideform.txtPosition.value.length<2)
  {
  alert("Please enter your position")
  return false
  }
  else
  {
  return true
  }
}