function check_email(address) {
  if ((address == "")
    || (address.indexOf ('@') == -1)
    || (address.indexOf ('.') == -1))
      return false;
  return true;
}


function verifyform() {
if (document.pricehome.fullname.value == "") {
  alert('Please fill in your name.')
  document.pricehome.fullname.focus() 
  return false } 
if (document.pricehome.telephone.value == "") {
  alert('Please fill in your telephone.')
  document.pricehome.telephone.focus() 
  return false } 
if (document.pricehome.email.value == "")  {
   alert('Please fill in your email address.')
   document.pricehome.email.focus() 
   return false }
else {
if (!check_email(document.pricehome.email.value)) {
    alert('Email address is incorrect. Please enter your email again.')
    document.pricehome.email.focus()
    return false } 
    }
if (document.pricehome.address.value == "") {
  alert('Please fill in your address.')
  document.pricehome.address.focus() 
  return false } 
if (document.pricehome.city.value == "") {
  alert('Please fill in the city.')
  document.pricehome.city.focus() 
  return false } 
if (document.pricehome.sqfootage.value == "") {
  alert('Please fill in the square footage.')
  document.pricehome.sqfootage.focus() 
  return false } 
if (document.pricehome.yearbuilt.value == "") {
  alert('Please fill in the year built.')
  document.pricehome.yearbuilt.focus() 
  return false } 
 }