Update web view

Database.php :
	* Change account order
	* Forgot $db variable in LoadCategory
User.php :
	* Add default category for index 0
index.php :
	* Initialize $categories and $accounts arrays
	* Typo error for hidden accounts
	* Forgive credit on blocked account
	* Forgot to divide amounts by 100
	* Forgot to initialize tr_class variable in some case

www/User.php

@@ -27,14 +27,13 @@ class User
 
     function GetCategory($id)
     {
-        if ($id == "")
+        if ($id == "" || $id == "0")
         {
-            $cat["id"] = "";
+            $cat["id"] = "0";
             $cat["forecolor"] = "black";
             $cat["backcolor"] = "#3DEB3D";
-            $s = "background-color:" . $cat["backcolor"] . ";";
-            $s .= "color:" . $cat["forecolor"] . ";";
-            $cat["style"] = $s;
+            $cat["font"] = "";
+            ExtractStyle($cat);
 
             return $cat;
         }