Replace Delegate Control – SmallSearchInputBox

I’ve got a task to change the OOTB SharePoint search box control and I found this links is useful to customize it and prevent the search results keyword from “This site scope”

First step is to register the search box assembly to the master page files.

<%@ Register Tagprefix=”SharePointWebControls” Namespace=”Microsoft.SharePoint.Portal.WebControls” Assembly=”Microsoft.Office.Server.Search, Version=, Culture=neutral, PublicKeyToken=71e9bce111e9429c” %>

Then Replace SharePoint controls search box which is the syntax like this
SmallSearchInputBox” Version=”4″/>

With this one

The search box property can be found on MSDN reference link here

Hope this helps,