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<?php
// include guards
if (!$INCLUDED_SIGN_IN_PHP):
$INCLUDED_SIGN_IN_PHP = 1;

//
// Function that returns the HTML FORM that is 
// used to collect the username and password
//
function outputSignInPage($sessionMessage)
{
	global $pathToRoot;
	global $URLToRoot;
	global $queryVars;
	
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<?php include($pathToRoot."includes/htmlheader.php"); ?>
<title>Sign In</title>
</head>
<body>
<?php include($pathToRoot."includes/banner.php"); ?>
	<table width=<?php echo "\"".getPageWidth()."\"" ?>  border="0">
	  <tr>
		<?php if (!(int)$queryVars['isPrintable']) include($pathToRoot."includes/navigation.php"); ?>
		<td valign="top"><div class="headerImageText">Sign In</div>
<?php
		  // Include the formatted sign in message
		  if (isset($sessionMessage))
			echo "<p class=\"sessionMessage\">".$sessionMessage."</p>";
			
		  // Deduce the URL to go to after authentication. If we aren't told,
		  // just go to the main page
		  if (!array_key_exists('fromURL', $queryVars))
		    $queryVars['fromURL'] = $URLToRoot;
?>
			<form method="POST" action=<?php echo "\"".$URLToRoot."authentication.php?fromURL=".urlencode($queryVars['fromURL'])."\""?>>
			<table align="center">
			<tr>
				<td colspan="2"><h3>Sign In</h3></td>
			</tr>
		  <tr><td colspan="2">&nbsp;</td></tr>
		  <tr><td>Username:</td>
			  <td><input type="text" size=15 
					   maxlength=25 
					   name="formUsername"></td></tr>     
		  <tr><td>Password:</td>
			  <td><input type="password" size=15 
					   maxlength=25
					   name="formPassword"></td></tr>
		  <tr><td colspan="2">&nbsp;</td></tr>
		<tr><td colspan="2" align="right"><input type="submit" value="Sign in"></td></tr>
		</table>
		</form>
		  </td>
	  </tr>
	</table>
<?php include($pathToRoot."includes/info.php"); ?>
</body>
</html>
<?php
}  

//
// Function that returns HTML page showing that 
// the user with the $currentSignInName is signed on
//
function outputSignedOnPage($currentSignInName)
{
	global $pathToRoot;
	global $URLToRoot;
	global $queryVars;
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<?php include($pathToRoot."includes/htmlheader.php"); ?>
<title>Sign In</title>
</head>
<body>
<?php include($pathToRoot."includes/banner.php"); ?>
	<table width=<?php echo "\"".getPageWidth()."\"" ?>  border="0">
	  <tr>
		<?php if (!(int)$queryVars['isPrintable']) include($pathToRoot."includes/navigation.php"); ?>
		<td valign="top"><div class="headerImageText">Sign In</div>
			<p class="sessionMessage">You are currently signed in as <?php echo "\"".$currentSignInName."\".</p>"; ?>
  		    <p align="center"><a href=<?php echo "\"".$URLToRoot."signout.php\""?>>Sign Out</a></p>
		  </td>
	  </tr>
	</table>
<?php include($pathToRoot."includes/info.php"); ?>
</body>
</html>
<?php
}  

endif; // $INCLUDED_SIGN_IN_PHP
?>