Strange Behaviour with Input Type set to File

Am I going mad!

This looks odd in IE and just wrong in Firefox.

var addButton = new AW.UI.Input;
addButton.getContent("box/text").setAttribute("type", "file");
addButton.getContent("box/text").setAttribute("cols", "0");
addButton.setControlText("Add Collection");

This is AW2 Standard by the way ?

Am I doing something wrong trying to get a File Input button to be displayed ?

For the record I am just trying to read a filename into a grid cell (which I think I know how to do - if I can get the Input type=file to work!

"cols" is not a valid attribute for a file type input field. The following is just about all you are going to be able to do with this type of field.

var addButton = new AW.UI.Input;
addButton.getContent("box/text").setAttribute("type", "file");
addButton.setStyle("width", "100%");
document.write(addButton);

You can change the "100%" to whatever dimension you want. But that's about it. This type of control is directly tied to the operating system, not the browser (IE, FF, etc.), and M$ wants to keep it that way.

Styles (for the most part) will not work. A change of image will not work. A change of the control text will not work. Populating the field via JavaScript and then submitting will definitely not work. The list goes on and on.