How to open window dialog using javascript in asp.net

here is the code to open 1.       Open folders dialog

HTML Code:

  <div style="float: right; text-align: right; padding-right: 13px;">

        <a href="#" onclick="return openLocation();">Click me</a>

        <br />

        <input type="text" id="lblFolderPath" style="visibility: hidden" value="<%="file://"+Server.MachineName+"/"+pathToFolder.Replace("\\","/") %>" />

    </div>

Js code

function openLocation() {

            var pathFolder = $("#lblFolderPath").val();

            window.location = pathFolder;

            return false;

        }