How do I detect a custom plugin in Firefox/IE/Chrome?

Question

My team wants to build a \"plugin\" for firefox/chrome/IE. How do I use javascript to detect if this plugin (not extension) is installed?

I would like to have a piec

Answer 1

solved:

document.writeln("",
   "")
for (i=0; i < navigator.plugins.length; i++) {
   document.writeln("")
}
document.writeln("
i",
   "
name",
   "
filename",
   "
description",
   "
# of types
",i,
      "
",navigator.plugins[i].name,
      "
",navigator.plugins[i].filename,
      "
",navigator.plugins[i].description,
      "
",navigator.plugins[i].length,
      "
")