if i will create a template folder containing all template files can i change joomla theme (which i have created by usng DW )
Yea you will have but you will be needing templateDetails xml file needed for a Joomla template. Actually this files tell Joomla that this is a template. A good way is to open up the templateDetails.xml file of the existing templates for help.
You can open it in any text editor. You just need to change some values.Here is a typical XML file: <?xml version="1.0" encoding="iso-8859-1"?> <mosinstall type="template" version="1.0.x"> <name>Your Template Name</name> <creationDate>15/02/2006</creationDate> <author>Your Name</author> <copyright>Your Company</copyright> <authorEmail>you@yourdomain.com</authorEmail> <authorUrl>http://www.yourdomain.com</authorUrl> <version>1.0</version> <description>Some Descriptions</description> <files> <filename>index.php</filename> </files> <images> <filename>template_thumbnail.png</filename> </images> <css> <filename>css/template_css.css</filename> </css> </mosinstall> Code (markup):