function check(form) {
 if (form.contact.value.length==0) {
  alert("Please fill in your name.");
  form.contact.focus();
  return false;
 }
 if (form.phone.value.length==0) {
  alert("Please fill in your phone number.");
  form.phone.focus();
  return false;
 }
 if (form.company.value.length==0) {
  alert("Please fill in your company name.");
  form.company.focus();
  return false;
 }
 if (form.email.value.length==0) {
  alert("Please fill in your email address.");
  form.email.focus();
  return false;
 }
 if (form.address1.value.length==0) {
  alert("Please fill in your company address.");
  form.address1.focus();
  return false;
 }
 if (form.city.value.length==0) {
  alert("Please fill in the city your company locates.");
  form.city.focus();
  return false;
 }
 if (form.state.value.length==0) {
  alert("Please fill in the state your company locates.");
  form.state.focus();
  return false;
 }
 if (form.zip.value.length==0) {
  alert("Please fill in your company zip.");
  form.zip.focus();
  return false;
 }
 return true;
}
function handleEnter (field, event) {
 var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
 if (keyCode == 13) {
  var i;
  for (i = 0; i < field.form.elements.length; i++)
   if (field == field.form.elements[i])
	break;
   i = (i + 1) % field.form.elements.length;
   field.form.elements[i].focus();
   return false;
 } 
 else
 return true;
}