what is the problem on this pages? [closed]

[sparrks]

i have some pages in folder called (pages)if i open the main page that called index.phpand click on main page in the navbar the index.php not foundand when i clicked on contact us double clicks that also not found pagewhat can i do to fixed this files ? i attached fileshttp://www.mediafire.com/download.php?939lpvll8tshzl7