Saving html or images contents

Is there any way to save html.src or image.src to local computer without showing it on browser.

 

Please explain yourself better. You want to save files on the client's computer without asking him?

 

Not exectly but I want to make a button which perform as the browser menu Item "File --> Save As". Want the save html source and all its images.

 

<input type="button" value="Save" onclick="document.execCommand('SaveAs');" />

HTML:

It works in IE only...