This code must work to you:
# K-Meleon Macros (http://kmeleon.sourceforge.net/wiki/index.php?id=MacroLanguage)
# ---------- Toggle Images & Reload -------------------------------------------
#
# Dependencies : main.kmm (pref_ToggleImages)
# Resources : -
# Preferences : -
#
# -----------------------------------------------------------------------------
_togImgReload{
&pref_ToggleImages;id(ID_NAV_RELOAD);
}
_togImgReload_SetAccels{
setaccel(VK_F9,"macros(_togImgReload)");
}
$OnInit=$OnInit."_togImgReload_SetAccels;";
$macroModules=$macroModules."togImgReload;";