DWfile.createFolder()

Availability 2.0
Description Creates a folder (directory) at the specified location.
Arguments folderURL
The argument is the location of the folder you want to create, expressed as a file:// URL.
Returns TRUE if the folder was successfully created, FALSE otherwise.
Example The following code attempts to create a folder called tempFolder at the top level of the C drive and displays an alert box indicating whether the operation was successful.
var folderURL = "file:///c|/tempFolder";
if (DWfile.createFolder(folderURL)){
  alert("Created " + folderURL);
}else{
  alert("Unable to create " + folderURL);
}