Absolute vs Relative paths

I'm experiencing problems with paths in my JSP.
Look at this code below:
<%@taglib uri="/WEB-INF/lib/dbtags.jar" prefix="jdbc" %>
My Windows NT system doesn't find the file and doesn't compile unless I put the absolute path like so:
<%@taglib uri="file:c:\\forte4j\\Development\\cdshopcart\\WEB-INF\\lib\\dbtags.jar" prefix="jdbc" %>
Also...notice that I have to use back slashes because I'm running Windows. (This makes my code platform specific)
How do I fix this problem.
Do I have to set classpaths?
Will setting the classpath fix the problem?
Thanks,
Enrico

That taglib location can go in your web.xml file.
In my web.xml file I have:
<taglib>
<taglib-uri>JSPbook/taglib</taglib-uri>
<taglib-location>
/WEB-INF/jsp/JSPbook-taglib.tld
</taglib-location>
</taglib>
In the JSP page:
<html><head>
<title>Student Signin</title></head>
<body>
<%@ taglib uri="JSPbook/taglib" prefix="ch11" %>

<ch11:signin studentId='<%= request.getParameter("stuid") %>'
studentPw='<%= request.getParameter("stupw") %>'
course='<%= request.getParameter("course") %>' >

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