Hi, i am not a expert. i need you help. should i do this: Installing thread-safe SpiderMonkey ΒΆ On Linux: * wget http://ftp.mozilla.org/pub/mozilla.org/js/js-1.60.tar.gz * tar -xzf js-1.60.tar.gz * cd js/src * JS_THREADSAFE=1 INCLUDES=-I/usr/include/nspr OTHER_LIBS=-L/usr/lib make -f Makefile.ref * make -f Makefile.ref export * cd ../../dist/Linux_All_DBG.OBJ * sudo cp lib/* /usr/lib * sudo mkdir /usr/include/js * sudo cp include/* /usr/include/js * sudo ldconfig or what can i do?