diff --git a/trunk/download.pl b/trunk/download.pl
index 9e7b45a..1d27557 100644
--- a/trunk/download.pl
+++ b/trunk/download.pl
@@ -68,9 +68,24 @@ if($query->param('id'))
 	}
 	else
 	{
-		#the requested id doesn't exist
-		print $session->header();
-		print "this video doesn't exist";
+		%page = ();
+	
+		#if a username is associated with session id, username is nonempty
+		$page->{'username'} = get_username_from_sid($session->id);
+		$page->{'locale'} = $locale;
+		$page->{'stylesheet'} = $stylesheet;
+		$page->{'xmlns:dc'} = $xmlns_dc;
+		$page->{'xmlns:cc'} = $xmlns_cc;
+		$page->{'xmlns:rdf'} = $xmlns_rdf;
+	
+		$page->{'message'}->{'type'} = "error";
+		$page->{'message'}->{'text'} = "error_202c";
+	
+		#print xml http header along with session cookie
+		print $session->header(-type=>'text/xml');
+
+		#print xml
+		print XMLout($page, KeyAttr => {}, XMLDecl => $XMLDecl, RootName => 'page');
 	}
 	
 	#disconnect db
@@ -78,7 +93,22 @@ if($query->param('id'))
 }
 else
 {
-	#if not, print error
-	print $session->header();
-	print "you stupid moron forgot to pass an id...";
+	%page = ();
+	
+	#if a username is associated with session id, username is nonempty
+	$page->{'username'} = get_username_from_sid($session->id);
+	$page->{'locale'} = $locale;
+	$page->{'stylesheet'} = $stylesheet;
+	$page->{'xmlns:dc'} = $xmlns_dc;
+	$page->{'xmlns:cc'} = $xmlns_cc;
+	$page->{'xmlns:rdf'} = $xmlns_rdf;
+	
+	$page->{'message'}->{'type'} = "error";
+	$page->{'message'}->{'text'} = "error_202c";
+	
+	#print xml http header along with session cookie
+	print $session->header(-type=>'text/xml');
+
+	#print xml
+	print XMLout($page, KeyAttr => {}, XMLDecl => $XMLDecl, RootName => 'page');
 }
diff --git a/trunk/search.pl b/trunk/search.pl
index afb28ae..22421db 100644
--- a/trunk/search.pl
+++ b/trunk/search.pl
@@ -127,6 +127,22 @@ elsif($query->param('sort'))
 }
 else
 {
-	print $session->header();
-	print "no query passed";
+	%page = ();
+	
+	#if a username is associated with session id, username is nonempty
+	$page->{'username'} = get_username_from_sid($session->id);
+	$page->{'locale'} = $locale;
+	$page->{'stylesheet'} = $stylesheet;
+	$page->{'xmlns:dc'} = $xmlns_dc;
+	$page->{'xmlns:cc'} = $xmlns_cc;
+	$page->{'xmlns:rdf'} = $xmlns_rdf;
+	
+	$page->{'message'}->{'type'} = "error";
+	$page->{'message'}->{'text'} = "error_202c";
+	
+	#print xml http header along with session cookie
+	print $session->header(-type=>'text/xml');
+
+	#print xml
+	print XMLout($page, KeyAttr => {}, XMLDecl => $XMLDecl, RootName => 'page');
 }
diff --git a/trunk/upload.pl b/trunk/upload.pl
index 0bc8094..0064225 100644
--- a/trunk/upload.pl
+++ b/trunk/upload.pl
@@ -13,9 +13,12 @@ if($username)
 	%page = ();
 
 	#if a username is associated with session id, username is nonempty
-	$page->{username} = get_username_from_sid($session->id);
-	$page->{locale} = $locale;
-	$page->{stylesheet} = $stylesheet;
+	$page->{'username'} = get_username_from_sid($session->id);
+	$page->{'locale'} = $locale;
+	$page->{'stylesheet'} = $stylesheet;
+	$page->{'xmlns:dc'} = $xmlns_dc;
+	$page->{'xmlns:cc'} = $xmlns_cc;
+	$page->{'xmlns:rdf'} = $xmlns_rdf;
 	$page->{uploadform} = [''];
 
 	#print xml http header along with session cookie
@@ -25,6 +28,22 @@ if($username)
 }
 else
 {
-	print $session->header();
-	print "nope...";
+	%page = ();
+	
+	#if a username is associated with session id, username is nonempty
+	$page->{'username'} = get_username_from_sid($session->id);
+	$page->{'locale'} = $locale;
+	$page->{'stylesheet'} = $stylesheet;
+	$page->{'xmlns:dc'} = $xmlns_dc;
+	$page->{'xmlns:cc'} = $xmlns_cc;
+	$page->{'xmlns:rdf'} = $xmlns_rdf;
+	
+	$page->{'message'}->{'type'} = "error";
+	$page->{'message'}->{'text'} = "error_202c";
+	
+	#print xml http header along with session cookie
+	print $session->header(-type=>'text/xml');
+
+	#print xml
+	print XMLout($page, KeyAttr => {}, XMLDecl => $XMLDecl, RootName => 'page');
 }
diff --git a/trunk/uploader.pl b/trunk/uploader.pl
index 7388bc7..56e200f 100644
--- a/trunk/uploader.pl
+++ b/trunk/uploader.pl
@@ -59,6 +59,22 @@ if($userid)
 }
 else
 {
-	print $session->header();
-	print "nope...";
+	%page = ();
+	
+	#if a username is associated with session id, username is nonempty
+	$page->{'username'} = get_username_from_sid($session->id);
+	$page->{'locale'} = $locale;
+	$page->{'stylesheet'} = $stylesheet;
+	$page->{'xmlns:dc'} = $xmlns_dc;
+	$page->{'xmlns:cc'} = $xmlns_cc;
+	$page->{'xmlns:rdf'} = $xmlns_rdf;
+	
+	$page->{'message'}->{'type'} = "error";
+	$page->{'message'}->{'text'} = "error_202c";
+	
+	#print xml http header along with session cookie
+	print $session->header(-type=>'text/xml');
+
+	#print xml
+	print XMLout($page, KeyAttr => {}, XMLDecl => $XMLDecl, RootName => 'page');
 }
diff --git a/trunk/video.pl b/trunk/video.pl
index 7f9dc1f..028cf29 100644
--- a/trunk/video.pl
+++ b/trunk/video.pl
@@ -52,8 +52,9 @@ if($query->param('title') or $query->param('id'))
 	if($rowcount == 0)
 	{
 		#still no results
-		#there is nothing we can do now - this video doesn't exist...
-		#TODO: insert error output
+		#there is nothing we can do now - this video doesn't exist...	
+		$page->{'message'}->{'type'} = "error";
+		$page->{'message'}->{'text'} = "error_202c";
 	}
 	elsif($rowcount == 1)
 	{
@@ -162,6 +163,22 @@ if($query->param('title') or $query->param('id'))
 }
 else
 {
-	print $session->header();
-	print "no query passed";
+	%page = ();
+	
+	#if a username is associated with session id, username is nonempty
+	$page->{'username'} = get_username_from_sid($session->id);
+	$page->{'locale'} = $locale;
+	$page->{'stylesheet'} = $stylesheet;
+	$page->{'xmlns:dc'} = $xmlns_dc;
+	$page->{'xmlns:cc'} = $xmlns_cc;
+	$page->{'xmlns:rdf'} = $xmlns_rdf;
+	
+	$page->{'message'}->{'type'} = "error";
+	$page->{'message'}->{'text'} = "error_202c";
+	
+	#print xml http header along with session cookie
+	print $session->header(-type=>'text/xml');
+
+	#print xml
+	print XMLout($page, KeyAttr => {}, XMLDecl => $XMLDecl, RootName => 'page');
 }