Ellipsis button with default location for browsing

Hello Everyone

I have a solution in my project, i m using a ellipsis button with html file input control in my project, now its working fine for browsing files in local computer, but my requirement is that i want to set it Default path for browsing and it restricted for another drives and location. please help me out how can i fill my requirement.(suggestion any other control like third party control).

My HTML:
<input runat="server" onchange="setHiddenValue()" id="File1" type="file"  accept="css/js" multiple= "" style=" visibility:hidden;" src="~/CS/p7ccm/p7ccm02.css" />
                <div class="wrapper">
                 <asp:TextBox ID="txtinclude" runat="server" Width="803px" Height="51px"></asp:TextBox>
             <asp:Button ID="Button2" OnClientClick="fireFileClick()" runat="server"
                     Text="...." Width="23px" BorderStyle="Solid" BorderWidth="1px"/>