change space icons with javascript?

[targa2000]

how can we change the space icons and graphics with javascript in explorer?

[johanpi]

projectFolder = companyhome.childByNamePath("Evidence/" + employeenumber);
   projectFolder.properties["app:icon"]="project-icon-doclibrary";
   projectFolder.save();

[targa2000]

thanks!

[talija83]

By the way, how can we change space icons with java?