// JavaScript Document
function checkform ( form )
{
 if (form.firstname.value == "") {
	alert( "Please enter your first name." );
	form.firstname.focus();
	return false ;
 }
  if (form.lastname.value == "") {
	alert( "Please enter your last name." );
	form.lastname.focus();
	return false ;
 }
  if (form.email.value == "") {
	alert( "Please enter your email address." );
	form.email.focus();
	return false ;
 }
  if (form.pass.value == "") {
	alert( "Please enter a password." );
	form.pass.focus();
	return false ;
 }
 if (form.terms.checked == 0) {
	alert("Please read and agree to the terms and conditions.");
	form.terms.focus();
	return false;
 }
 
  return true ;
}

function isEmailAddr(emailaddr)
{
  var result = false
  var theStr = new String(emailaddr)
  var index = theStr.indexOf("@");
  if (index > 0)
  {
	var pindex = theStr.indexOf(".",index);
	if ((pindex > index+1) && (theStr.length > pindex+1))
		result = true;
  }
  return result;
}