SO fiddle

Test Fiddle mainly for SO Questions

by Nick Craver

HTML

<link rel="stylesheet" href="http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.4/themes/overcast/jquery-ui.css">

JavaScript

function getPath(url) {
  return  decodeURIComponent(url).replace("file:///","").replace(/\//g,"\\");
}
alert(getPath("file:///C://Program%20Files//Microsoft%20Office//OFFICE11//EXCEL.EXE"));