This method will change the Explorer theme. Resulting in differently styled windows.
This method loads in a CSS file named index.css located in webdows/resources/explorer/ThemeName
This method always returns the name of the theme that is currently loaded.
Arguments
explorer.theme(string ThemeName);
ThemeName optional: Name of the folder containing the theme in webdows/resources/explorer/ThemeName
Examples
var currentTheme = explorer.theme('classic');
//currentTheme would equal "classic"