This plugin adds form element(s) in Write Post panel and/or Write Page panel, which act as a custom field(s) of Post and/or Page.
This plugin supports the following types of form element: fieldset, checkbox, radio, select, textfield, textarea, filefield, imagefield. To specify the custom fields, edit the file "config.txt"
This plugin takes the idea from "rc: custom_field_gui" (Author: Joshua Sigar, See http://rhymedcode.net/projects/custom-field-gui/) and "Custom Field Gui Utility" (Author: Tomohiro Okuwaki, See http://www.tinybeans.net/blog/download/wp-plugin/cfg-utility.html);
used part of the code as mentioned in the source.