die();

	$allow_go = true;

	// Do we have everything? If so, continue with installation.

	foreach ( array('db_host', 'db_name', 'db_user', 'db_pass', 'db_port') as $field )

	{

		if ( empty($_POST[$field]) )

		{

			$allow_go = false;

		}

	}

	if ( $allow_go )

	{

		require( ENANO_ROOT . '/install/includes/stages/database_post.php' );

		return true;

	}

	// Test the database connection

	$return = array(

			'can_install' => false,

			'host_good' => true,

			'creating_user' => false,

			'db_exist' => false,

			'creating_db' => false,

			'creating_db_grant' => false,

			'root_fail' => false,

			'version' => array(

				'version' => 'unknown',

				'good' => 'indeterminate'

			),

			'last_error' => ''

		);

	if ( !isset($_POST['info']) )

		die();

	$info = $_POST['info'];

	// From here on out will be JSON responses

	header('Content-type: application/json');

	try

	{

		$info = @enano_json_decode($info);

	}

	catch ( Zend_Json_Exception $e )

	{

		die(enano_json_encode(array(

				'mode' => 'error',

				'error' => 'Exception in JSON decoder'

			)));

	}

	if ( !is_int($info['db_port']) )

	{

		$return['host_good'] = false;

		echo enano_json_encode($return);

		exit;

	}

	$port = $info['db_port'] ? $info['db_port'] : 5432;

	// Try to connect as the normal user

	// generate connection string

	$conn_string = "dbname = '" . addslashes($info['db_name']) . "' port = '$port' host = '" . addslashes($info['db_host']) . "' " . 

 								"user= '" . addslashes($info['db_user']) . "' password = '" . addslashes($info['db_pass']) . "'";

	$test = @pg_connect($conn_string);

	if ( !$test )

	{

		// Connection as normal user failed. PgSQL doesn't give us an error string so

		// just try to connect as root. If even that fails, exit with an error

		$return['creating_user'] = true;

		if ( !empty($info['db_root_user']) && !empty($info['db_root_pass']) )

		{

			$conn_string_root = "dbname = '" . addslashes($info['db_name']) . "' port = '$port' host = '" . addslashes($info['db_host']) . "' " . 

													"user= '" . addslashes($info['db_root_user']) . "' password = '" . addslashes($info['db_root_pass']) . "'";

			// Attempt connection as root

			$test_root = @pg_connect($conn_string_root);

			if ( !$test_root )

			{

				$return['root_fail'] = true;

			}

			else

			{

				$return['can_install'] = true;

			}

		}

	}

	else

	{

		$return['can_install'] = true;

	}

	$did_version_check = false;

	if ( isset($test) && @is_resource($test) )

	{

		$server_info = @pg_version($test);

		if ( isset($server_info['server']) )

		{

			$did_version_check = true;

			$return['version'] = array(

					'version' => $server_info['server'],

					'good' => ( version_compare($server_info['server'], '8.2.5', '>=') )

				);

		}

		@pg_close($test);

	}

	if ( isset($test_root) && @is_resource($test_root) )

	{

		$server_info = @pg_version($test_root);

		if ( isset($server_info['server']) )

		{

			$did_version_check = true;

			$return['version'] = array(

					'version' => $server_info['server'],

					'good' => ( version_compare($server_info['server'], '8.2.5', '>=') )

				);

		}

		@pg_close($test_root);

	}

	if ( !$did_version_check )

	{

		$return['version'] = array(

				'version' => 'indeterminate',

				'good' => false

			);

	}

	else

	{

		if ( !$return['version']['good'] )

		{

			$return['can_install'] = false;

		}

	}

	echo enano_json_encode($return);

	exit();

	var img_bad = '../images/checkbad.png';

	var img_good = '../images/check.png';

	var img_neu = '../images/checkunk.png';

	var tested = false;

	function verify(field)

	{

		if ( tested && !field )

			return true;

		tested = false;

		if ( document.getElementById('verify_error').className != '' )

		{

			document.getElementById('verify_error').className = '';

			document.getElementById('verify_error').innerHTML = '';

		}

		var frm = document.forms.database_info;

		// List of fields

		var fields = {

			db_host: frm.db_host,

			db_port: frm.db_port,

			db_name: frm.db_name,

			db_user: frm.db_user,

			db_pass: frm.db_pass,

			table_prefix: frm.table_prefix,

			db_root_user: frm.db_root_user,

			db_root_pass: frm.db_root_pass

		};

		var passed = true;

		// Main validation

		if ( field == fields.db_host || !field )

		{

			var matches = fields.db_host.value.match(/^([a-z0-9_-]+)((\.([a-z0-9_-]+))*)?$/);

			document.getElementById('s_db_host').src = ( matches ) ? img_neu : img_bad;

			if ( !matches )

				passed = false;

		}

		if ( field == fields.db_port || !field )

		{

			var matches = fields.db_port.value.match(/^[0-9]+$/);

			document.getElementById('s_db_port').src = ( matches ) ? img_neu : img_bad;

			if ( !matches )

				passed = false;

		}

		if ( field == fields.db_name || !field )

		{

			var matches = fields.db_name.value.match(/^[A-z0-9_-]+$/);

			document.getElementById('s_db_name').src = ( matches ) ? img_neu : img_bad;

			if ( !matches )

				passed = false;

		}

		if ( field == fields.db_user || field == fields.db_pass || !field )

		{

			var matches = fields.db_user.value.match(/^[A-z0-9_-]+$/);

			document.getElementById('s_db_auth').src = ( matches ) ? img_neu : img_bad;

			if ( !matches )

				passed = false;

		}

		if ( field == fields.table_prefix || !field )

		{

			var matches = fields.table_prefix.value.match(/^[a-z0-9_]*$/);

			document.getElementById('s_table_prefix').src = ( matches ) ? img_good : img_bad;

			if ( !matches )

				passed = false;

		}

		if ( field == fields.db_root_user || field == fields.db_root_pass || !field )

		{

			var matches = ( ( fields.db_root_user.value.match(/^[A-z0-9_-]+$/) && fields.db_root_pass.value.match(/^.+$/) ) || fields.db_root_user.value == '' );

			document.getElementById('s_db_root').src = ( matches ) ? img_neu : img_bad;

			if ( !matches )

				passed = false;

		}

		return passed;

	}

	function ajaxTestConnection()

	{

		if ( !verify() )

		{

			document.body.scrollTop = 0;

			$('enano-body').effect('shake', {}, 750);

			document.getElementById('verify_error').className = 'error-box-mini';

			document.getElementById('verify_error').innerHTML = $lang.get('meta_msg_err_verification');

			return false;

		}

		install_set_ajax_loading();

		var frm = document.forms.database_info;

		var connection_info = 'info=' + ajaxEscape(toJSONString({

				db_host: frm.db_host.value,

				db_port: parseInt(frm.db_port.value),

				db_name: frm.db_name.value,

				db_user: frm.db_user.value,

				db_pass: frm.db_pass.value,

				db_root_user: frm.db_root_user.value,

				db_root_pass: frm.db_root_pass.value

			}));

		ajaxPost(scriptPath + '/install/install.php?stage=database', connection_info + '&driver=postgresql&ajax_test=on&language=' + enano_lang_code[ENANO_LANG_ID], function(ajax)

			{

				if ( ajax.readyState == 4 && ajax.status == 200 )

				{

					setTimeout('install_unset_ajax_loading();', 750);

					// Process response

					var response = String(ajax.responseText + '');

					if ( response.substr(0, 1) != '{' )

					{

						alert('Received an invalid JSON response from the server.');

						return false;

					}

					response = parseJSON(response);

					document.getElementById('e_db_host').innerHTML = '';

					document.getElementById('e_db_name').innerHTML = '';

					document.getElementById('e_db_auth').innerHTML = '';

					document.getElementById('e_db_root').innerHTML = '';

					if ( response.can_install )

					{

						tested = true;

						var statuses = ['s_db_host', 's_db_name', 's_db_auth', 's_table_prefix', 's_db_root', 's_pgsql_version'];

						for ( var i in statuses )

						{

							var img = document.getElementById(statuses[i]);

							if ( img )

								img.src = img_good;

						}

						document.getElementById('e_pgsql_version').innerHTML = $lang.get('dbpgsql_msg_info_version_good');

						document.getElementById('verify_error').className = 'info-box-mini';

						document.getElementById('verify_error').innerHTML = $lang.get('dbpgsql_msg_test_success');

						if ( response.creating_db )

						{

							document.getElementById('e_db_name').innerHTML = $lang.get('dbpgsql_msg_warn_creating_db');

						}

						if ( response.creating_user )

						{

							document.getElementById('e_db_auth').innerHTML = $lang.get('dbpgsql_msg_warn_creating_user');

						}

					}

					else

					{

						// Oh dear, oh dear, oh dear, oh dear, oh dear...

						if ( response.creating_db )

						{

							document.getElementById('e_db_name').innerHTML = $lang.get('dbpgsql_msg_err_dbexist', { pg_error: response.last_error });

							document.getElementById('s_db_name').src = img_bad;

						}

						if ( response.creating_user )

						{

							document.getElementById('e_db_auth').innerHTML = $lang.get('dbpgsql_msg_err_auth', { pg_error: response.last_error });

							document.getElementById('s_db_auth').src = img_bad;

						}

						if ( !response.host_good )

						{

							document.getElementById('e_db_host').innerHTML = $lang.get('dbpgsql_msg_err_connect', { db_host: frm.db_host.value, pg_error: response.last_error });

							document.getElementById('s_db_host').src = img_bad;

						}

						if ( !response.version.good )

						{

							if ( response.version.version == 'indeterminate' )

								document.getElementById('e_pgsql_version').innerHTML = $lang.get('dbpgsql_msg_warn_pg_version');

							else

								document.getElementById('e_pgsql_version').innerHTML = $lang.get('dbpgsql_msg_err_version', { pg_version: response.version.version });

							document.getElementById('s_pgsql_version').src = img_bad;

						}

					}

				}

			});

	}

	<tr>

		<td colspan="3" style="text-align: center">

			<h3><?php echo $lang->get('dbpgsql_table_title'); ?></h3>

		</td>

	</tr>

	<tr>

		<td>

			<b><?php echo $lang->get('dbpgsql_field_hostname_title'); ?></b>

			<br /><?php echo $lang->get('dbpgsql_field_hostname_body'); ?>

			<br /><span style="color: #993300" id="e_db_host"></span>

		</td>

		<td>

			<input onkeyup="verify(this);" tabindex="1" name="db_host" size="30" type="text" />

		</td>

		<td>

			<img id="s_db_host" alt="Good/bad icon" src="../images/checkbad.png" />

		</td>

	</tr>

	<tr>

		<td>

			<b><?php echo $lang->get('dbpgsql_field_port_title'); ?></b>

			<br /><?php echo $lang->get('dbpgsql_field_port_body'); ?>

			<br /><span style="color: #993300" id="e_db_port"></span>

		</td>

		<td>

			<input onkeyup="verify(this);" tabindex="2" name="db_port" size="5" type="text" value="5432" />

		</td>

		<td>

			<img id="s_db_port" alt="Good/bad icon" src="../images/checkbad.png" />

		</td>

	</tr>

	<tr>

		<td>

			<b><?php echo $lang->get('dbpgsql_field_dbname_title'); ?></b><br />

			<?php echo $lang->get('dbpgsql_field_dbname_body'); ?><br />

			<span style="color: #993300" id="e_db_name"></span>

		</td>

		<td>

			<input onkeyup="verify(this);" tabindex="2" name="db_name" size="30" type="text" />

		</td>

		<td>

			<img id="s_db_name" alt="Good/bad icon" src="../images/checkbad.png" />

		</td>

	</tr>

	<tr>

		<td>

			<b><?php echo $lang->get('dbpgsql_field_dbauth_title'); ?></b><br />

			<?php echo $lang->get('dbpgsql_field_dbauth_body'); ?><br />

			<span style="color: #993300" id="e_db_auth"></span>

		</td>

		<td>

			<input onkeyup="verify(this);" tabindex="3" name="db_user" size="30" type="text" /><br />

			<br />

			<input name="db_pass" size="30" tabindex="4" type="password" />

		</td>

		<td>

			<img id="s_db_auth" alt="Good/bad icon" src="../images/checkbad.png" />

		</td>

	</tr>

	<tr>

		<td colspan="3" style="text-align: center">

			<h3><?php echo $lang->get('database_heading_optionalinfo'); ?></h3>

		</td>

	</tr>

	<tr>

		<td>

			<b><?php echo $lang->get('dbpgsql_field_tableprefix_title'); ?></b><br />

			<?php echo $lang->get('dbpgsql_field_tableprefix_body'); ?>

		</td>

		<td>

			<input onkeyup="verify(this);" tabindex="5" name="table_prefix" size="30" type="text" />

		</td>

		<td>

			<img id="s_table_prefix" alt="Good/bad icon" src="../images/check.png" />

		</td>

	</tr>

	<tr>

		<td>

			<b><?php echo $lang->get('dbpgsql_field_rootauth_title'); ?></b><br />

			<?php echo $lang->get('dbpgsql_field_rootauth_body'); ?><br />

			<span style="color: #993300" id="e_db_root"></span>

		</td>

		<td>

			<input onkeyup="verify(this);" tabindex="6" name="db_root_user" size="30" type="text" /><br />

			<br />

			<input onkeyup="verify(this);" tabindex="7" name="db_root_pass" size="30" type="password" />

		</td>

		<td>

			<img id="s_db_root" alt="Good/bad icon" src="../images/check.png" />

		</td>

	</tr>

	<tr>

		<td>

			<b><?php echo $lang->get('dbpgsql_field_pgsqlversion_title'); ?></b>

		</td>

		<td id="e_pgsql_version">

			<?php echo $lang->get('dbpgsql_field_pgsqlversion_blurb_willbechecked'); ?>

		</td>

		<td>

			<img id="s_pgsql_version" alt="Good/bad icon" src="../images/checkunk.png" />

		</td>

	</tr>

	<tr>

		<td>

			<b><?php echo $lang->get('dbpgsql_field_droptables_title'); ?></b><br />

			<?php echo $lang->get('dbpgsql_field_droptables_body'); ?>

		</td>

		<td colspan="2">

			<input type="checkbox" tabindex="8" name="drop_tables" id="dtcheck" />  <label for="dtcheck"><?php echo $lang->get('dbpgsql_field_droptables_lbl'); ?></label>

		</td>

	</tr>

	<tr>

		<td colspan="3" style="text-align: center">

			<input type="button" value="<?php echo $lang->get('dbpgsql_btn_testconnection'); ?>" onclick="ajaxTestConnection();" />

			<div id="verify_error"></div>

		</td>

	</tr>

	<tr>

		<td>

			<input type="submit" tabindex="9" value="<?php echo $lang->get('meta_btn_continue'); ?>" onclick="return verify();" name="_cont" />

		</td>

		<td>

			<p>

				<span style="font-weight: bold;"><?php echo $lang->get('meta_lbl_before_continue'); ?></span><br />

				&bull; <?php echo $lang->get('database_objective_test'); ?><br />

				&bull; <?php echo $lang->get('database_objective_uncrypt'); ?>

			</p>

		</td>

	</tr>

	verify();