.JAR file modification and deployment

Hi,

I have a requirement where I need to decompile a .class file inside a .jar file under com.sap.km.cm.protocols.webdav folder under the path \usr\sap\ \ \j2ee\cluster\ \apps\ sap.com\irj\servlet_jsp\irj\root\WEB-INF\portal\portalapps\com.sap.km.cm.protocols.webdav\lib. I have decompiled and put my code and have recomipled and built a new .jar file with the same name. Now I do know how to put it back into the EP server under com.sap.km.cm.protocols.webdav folder. Plz help. It is urgent need.

regds,

Sukanta Rudra