how should i run tomcat server

[Kusuma Pabba]

hi,
      i am new to tomcat with the help of documentation i was able to 
make few changes and finally
i have used http://localhost:8080/  then i got default page it has shown 
me documentation for running it as deamon i have tried there is no use 
and when i  have tried  with tomcat manager or administrator on that 
page it is giving firefox cannot establish a connection to server at 
local host:8080
i am neither getting a new page nor am i able to access components of 
same page can anyone help me regarding this problem

   thanks for any help

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