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<%@ page language="java"%>
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<!--
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/**
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  *  '$RCSfile$'
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  *      Authors:     Duane Costa
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  *      Copyright:   2005 University of New Mexico and
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  *                   Regents of the University of California and the
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  *                   National Center for Ecological Analysis and Synthesis
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  *      For Details: http://www.nceas.ucsb.edu/
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  *
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  *   '$Author$'
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  *     '$Date$'
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  * '$Revision$'
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  *
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  * This program is free software; you can redistribute it and/or modify
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  * it under the terms of the GNU General Public License as published by
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  * the Free Software Foundation; either version 2 of the License, or
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  * (at your option) any later version.
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  *
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  * This program is distributed in the hope that it will be useful,
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  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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  * GNU General Public License for more details.
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  *
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  * You should have received a copy of the GNU General Public License
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  * along with this program; if not, write to the Free Software
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  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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  *
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  */
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-->
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<%@ include file="settings.jsp"%>
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<%@ include file="session_vars.jsp"%>
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<html>
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  <head>
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    <link href="<%=relativeRoot%>/lter.css" rel="stylesheet" type="text/css">
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    <script language="javascript" type="text/javascript" src="<%=relativeRoot%>/lter.js"></script>
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    <title>Welcome to the LTER Data Catalog</title>
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    <%
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      Boolean loggedIn = (Boolean) session.getAttribute("loggedIn");
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      String loggedInMessage = "";
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      String username = (String) session.getAttribute("username");
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      if ((loggedIn == null) || (loggedIn.booleanValue() == false)) {
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        loggedInMessage = "<p>" +
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                          "You may search the data catalog without being " +
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                          "<a href=\"index_login.jsp\" target=\"_top\">logged in</a> to your account, " +
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                          "but you will have access only to <em>public</em> data." +
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                          "</p>";
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      }
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      else {
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        loggedInMessage = "<p class=\"emphasis\">" +
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                          "Welcome, " + username + ", you are now logged in." +
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                          "</p>";
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      }
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    %>
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    <script type="text/javascript" language="Javascript1.1">
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      function submitRequest(form) {
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        var canSearch = true;
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        if (form.searchValue.value == "") {
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          canSearch =
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             confirm("Show *all* data in the catalog?\n(This may take some time!)");
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        }
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        return canSearch;
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      }
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    </script>
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  </head>
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  <body>
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    <table class="bdyMiddleTable" border="0" cellpadding="10" cellspacing="0">
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      <tr>
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        <td class="bdyMiddleTd" colspan='2'>
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          <h1 align='center'>Welcome to the LTER Data Catalog</h1>
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            Data are one of the most valuable products of the LTER
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            program.  The LTER Network seeks to inform the LTER and
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            broader scientific community by creating well designed
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            and well documented databases and to provide fast,
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            effective, and open access to LTER data via a network-wide
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            information system designed to facilitate data exchange
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            and integration. Currently, the LTER Data Catalog contains
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            entries for over 3000 ecological datasets from 26 LTER
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            Network research sites, in addition to numerous other
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            ecological field stations and research instituitions.
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        </td>
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      </tr>
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      <tr>
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        <td class="bdyMiddleTd" valign='top'>
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          <h3 align='center'>Data Catalog</h3>
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            <%= loggedInMessage %>
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            <form name="searchForm"
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                  action="metacatsearchforward.jsp"
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                  method="POST"
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                  onsubmit="return submitRequest(this)"
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                  target="_top">
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              <table>
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                <tr>
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                  <td>&nbsp;</td>
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                </tr>
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                <tr>
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                  <td>Search Term:</td>
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                  <td><input type="text" name="searchValue"/></td>
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                  <td>
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                    <a target="_top" href="<%=relativeRoot%>/index_advancedsearch.jsp">Advanced Search
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                    </a>
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                  </td>
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                </tr>
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                <!-- Test how a document looks when displayed in an iframe with fixed height.
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                <tr>
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                  <td><a target="_top" href="<%=relativeRoot%>/index_document.jsp?docid=knb-lter-kbs.2486">Test Document</a></td>
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                </tr>
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                -->
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                <tr>
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                  <td>&nbsp;</td>
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                  <td>
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                    <input type="submit" value="Search"/>&nbsp;&nbsp;<input type="reset" />
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                  </td>
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                </tr>
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              </table>
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            </form>
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        </td>
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        <td class="bdyMiddleTd" valign='top'>
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          <h3 align='center'>LTER Data Policies</h3>
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            The <a href='http://www.lternet.edu/data/netpolicy.html'>
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            LTER data policy</a> includes three specific sections
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            designed to express shared network policies regarding
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            the release of LTER data products, user registration for
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            accessing data, and the licensing agreements specifying
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            the conditions for data use.
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          <h3 align='center'>Other Databases</h3>
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            Additional information is available through these value-added data products:
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            <ul>
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              <li><a target="_top" href='http://www.fsl.orst.edu/climhy/'>LTER/USFS Climate / Hydrology Data</a>
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              <li><a target="_top" href='http://intranet.lternet.edu/cgi-bin/anpp.pl'>Annual Net Primary Productivity Data</a>
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            </ul>
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        </td>
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      </tr>
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    </table>
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  </body>
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</html>