basePath in jsp

Hi all,

i am using eclipse..Here you see,every jsp file has the basePath(We have to do like below)..please anyone can explain me?why it is?
----------------------------------------
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
-------------------------------------------

thanks & regards,
seetharaman

[ March 31, 2008: Message edited by: Bear Bibeault ]

If you are looking for the meaning of the BASE tag, you can refer to this document.

Base URL is the URL which will appended with the relative path to give absolute path. Most of the time when you code, you will refer CS and JS files as relative paths.
Using this URL they will converted by the browsers to get the resources from the Server.
When you are not using this URL tag, then the current URL will be takes as the BASE URL PATH.