<script type="text/javascript">
function validateForm()
{
var x=document.forms["form"]["dbhost"].value
if (x==null || x=="")
  {
  alert("You must complete all fields.");
  return false;
  }
var x=document.forms["form"]["dbuser"].value
if (x==null || x=="")
  {
  alert("You must complete all fields.");
  return false;
  }
var x=document.forms["form"]["dbpass"].value
if (x==null || x=="")
  {
  alert("You must complete all fields.");
  return false;
  }
var x=document.forms["form"]["dbname"].value
if (x==null || x=="")
  {
  alert("You must complete all fields.");
  return false;
  }
var x=document.forms["form"]["username"].value
if (x==null || x=="")
  {
  alert("You must complete all fields.");
  return false;
  }
var x=document.forms["form"]["password"].value
if (x==null || x=="")
  {
  alert("You must complete all fields.");
  return false;
  }
}
</script>