Getting error when trying to compile a servlet

hai every one ,
when i placed my servlet in the classes directory of the tomcat server and trying to compile it i am getting the following error
javac :invalid flag:C:Program
usage:javac <options><source files>
where possible options include
-g Generate all debugging info
-g:none Generate no debugging info
-g:(lines, vars ,source) Generate only some debugging info
-nowarn Generate no warnigs
etc
i have specified the classpath of the application in the environment variables

" Hi friend,
Wat you can do is ???
you gonna change your classpath to %tomcathome%=C: or D: or etc/Programfiles/Apache Tomcat 4.0/lib/etc/servlet.jar.
or else try locating servlet.jar file in the tomcat folder and place that in
C:\j2sdk1.4.0_01\lib folder and try compiling your code.
I guess it will work.
Regards,
RAHUL"
NO, if that was the problem it would have said
package javax.servlet dosen't exist

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