Yes you can do dat but if you can edit the header.php and footer.php with your own custom html that would be better..
@usubba thanks for you reply but m here trying to change the header and footer backbround either my color or image background. n m trying to use the build in function add_custom_background for adding the background-image or background-color as the wordpress background under apperance provide for changing the background. anywas i have done some modification on the custom-header.php file. also added the class provided by the body_class()
. ANd for the footer i addem a theme page that upload the image or pick the color from the colorpicker of wordpress that i have same in wp_option table. n its working pretty much.anyway thanks for ur reply.
namaste,
kaushal dip subba