同过修改userChrome.css文件，此文件在
C:\Documents and Settings\User\Application Data\Mozilla\Firefox\Profiles\详详细细xxxx.default\chrome\userChrome.css 如果找不到此文件可以自建一个。 将以下内容复制到userChrome.css中！

/* ----------------------------- Context Menu ------------------------------ */

/* --------------------------------- Link ---------------------------- */
/* Open Link in New Window */
#context-openlink {

}
/* Open Link in New Tab */
#context-openlinkintab {

}
/* separator below the "Open Link in ..." items */
#context-sep-open {

}

/* Bookmark This Link... */
#context-bookmarklink {

}

/* Save Link As... */
#context-savelink {

}
/* Copy Email Address */
#context-copyemail {

}
/* Copy Link Location */
#context-copylink {

}
/* separator below the items related to links */
#context-sep-copylink {

}
/* ------------------------------- End Link ---------------------------- */

/* ----------------------------- Images ------------------------------ */
/* View Image */
#context-viewimage {

}
/* Copy Image Location */
#context-copyimage {

}
/* separator below the Copy Image Location item */
#context-sep-copyimage {

}
/* Save Image As... */
#context-saveimage {

}
/* Set As Wallpaper */
#context-setWallpaper {
display: none !important;
}
/* Block Images from this Server */
#context-blockimage {
display: none !important;
}
/* -------------------------- End Images ------------------------------ */

/* --------------------------- Web Page---------------------------- */
/* Back */
#context-back {

}
/* Forward */
#context-forward {
display: none !important;
}
/* Reload */
#context-reload {

}
/* Stop */
#context-stop {
display: none !important;
}
/* separator below the Stop item */
#context-sep-st