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1 /*
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2 Copyright (C) 2003-2004 WTWG Uni Bern, MPIWG Berlin
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3
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4 This program is free software; you can redistribute it and/or
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5 modify it under the terms of the GNU General Public License
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6 as published by the Free Software Foundation; either version 2
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7 of the License, or (at your option) any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program; if not, write to the Free Software
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16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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17
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18 Author:
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19 Christian Luginbuehl, 07.04.2004 , Version Alcatraz 0.6
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20 Robert Casties 28.10.2004
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21
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22 !! requires baselib.js !!
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23
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24 */
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25
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26 function identify() {
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27 return 'Digicat v0.4';
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28 }
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29
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30 var cells = null;
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31
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32
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33 function dc_init() {
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34
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35 // put the query parameters (sans "?") in the parameters array
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36 parseParameters(location.search.slice(1));
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37 }
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38
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39 function display(detail) {
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40 // redisplay the page
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41 if (! detail) {
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42 detail = 9;
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43 }
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44 var queryString = getAllParameters(detail);
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45 location.href = location.protocol + "//" + location.host + location.pathname + "?" + queryString;
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46 }
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47
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48 function dc_render(doc) {
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49
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50 var fWidth = document.body ? document.body.clientWidth : innerWidth;
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51 var fHeight = document.body ? document.body.clientHeight : innerHeight;
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52
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53 var mx = getParameter("mx");
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54 cells = mx.split('x');
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55
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56 var dw = getParameter("dw");
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57 var dh = getParameter("dh");
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58 var pt = getParameter("pt");
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59 var pn = getParameter("pn");
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60
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61 var picWidth = (dw != 0) ? dw : Math.floor((fWidth-30)/cells[0])-2*cells[0]-1;
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62 var picHeight = (dh != 0) ? dh : picWidth;
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63
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64 if (cells.length > 1) {
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65 picHeight = (dh != 0) ? dh : Math.floor(((fHeight-30)-12*cells[1])/cells[1])-2*cells[1]-1;
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66 } else {
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67 cells[1] = Math.ceil(pt/cells[0]);
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68 }
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69
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70 var cellWidth = parseInt(picWidth)+8;
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71 var cellHeight = parseInt(picHeight)+18;
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72
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73 doc.writeln('<table width="100%" height="100%" border="0" cellspacing="1" cellpadding="0">');
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74
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75 for (var j = 0; j < cells[1]; j++) {
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76 doc.writeln('<tr>');
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77 for (var i = 0; i < cells[0]; i++) {
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78 var idx = parseInt(pn)+i+j*cells[0];
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79 var img = baseUrl + "/servlet/Scaler?fn=" + getParameter("fn") + "&pn=" + idx;
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80 img += "&dw=" + picWidth + "&dh=" + picHeight + "&mo=" + getParameter("mo");
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81 doc.write('<td width="'+cellWidth+'" height="'+cellHeight+'">');
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82 if (idx <= pt) {
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83 doc.write('<a href="'+dl_link(idx)+'" target="_blank"><img src="'+img+'" border="0"></a><div class="number">'+idx+'</div>');
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84 } else {
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85 doc.write('<div class="nonumber">'+idx+'</div>');
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86 }
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87 doc.writeln('</td>');
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88 }
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89 doc.writeln(' </tr>');
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90 }
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91 doc.writeln('</table>');
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92 }
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93
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94
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95 function dl_link(i) {
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96 var link = baseUrl+"/digilib.jsp?fn="+getParameter("fn")+"&pn="+i+"&mo="+getParameter("mo");
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97 return link;
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98 }
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99
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100
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101 function Backpage() {
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102 var pn = parseInt(getParameter("pn"));
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103 if (pn <= 1) {
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104 pn = 1;
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105 alert("You are already on the first page!");
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106 }
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107
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108 pn = pn - parseInt(cells[0]*cells[1]);
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109
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110 if (pn < 1) {
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111 pn = 1;
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112 }
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113 setParameter("pn", pn);
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114 display();
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115 }
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116
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117 function Nextpage() {
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118 var pn = parseInt(getParameter("pn"));
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119 pn = pn + parseInt(cells[0]*cells[1]);
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120 setParameter("pn", pn);
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121 display();
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122 }
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