the /usr/bin/netscape shell script included with the netscape-common-4.6-1 rpm (and the 4.51-3 from RH6.0) doesn't use double quotes everywhere it needs too, so if you run it on a file whose name contains spaces, it doesn't work.
fixed in netscape-4.61-4, which will be in next Raw hide release.
Commit pushed to master at https://github.com/openshift/origin https://github.com/openshift/origin/commit/c7a3b8fff3e2c63be43c3e560e824d25dcf61c3c Merge pull request #4528 from jprukner/issue4496 Merged by openshift-bot