Possible Duplicate:
How to get the HTML's input element of “file” type to only accept pdf files?
I have basic HTML input tag and content-type="audio/wav"
<input type="file" name="file" />
by using this we will get chose file or browse file. When you click on chose file button this open system window which shows the all file.
But my requirement is I want to show only ".wav" in this popup.