Give some more details on what exactly you have tried and what helps.
Not able to understand your issue with one liner.

i am trying to display an image  on a button.i was successfull to do it by making .cab file and then i did some changes in view1.xsl file. while previewing it's working perfectly but after publishing  the form  that image is not appearing.

hope u understand the problem now.
please do reply. thanks in advance