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20
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1 // these two global variables have to be initialised before the frist use of the functions below
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2 // to fill in the attributes you can use the function initPicture provided below
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3 // - array with all attributes
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4 var att = new Array();
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5
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6 // - variable to store the path to the frame, in which the pictures should be created
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7 var whichFrame = parent.mainFrame;
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8
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9 // give a name to the window containing digicat - this way one can test if there is already a
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10 // digicat-window open and replace the contents of it (ex. digilib)
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11 window.name = "digicat";
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12
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13 function loadThumbTable() {
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14 tableWidth = whichFrame.document.body.offsetWidth-30;
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15 tableHeight = whichFrame.document.body.offsetHeight-30;
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16
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17 cellWidth = Math.floor(tableWidth/att[3])-9;
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18 cellHeight = Math.floor(tableHeight/att[2])-6;
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19
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20 // alert(tableWidth + " " + tableHeight + "\n" + cellWidth + " " +cellHeight);
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21
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22 whichFrame.document.open();
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23 whichFrame.document.write('<html><head>');
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24 whichFrame.document.write('<style type="text/css">.myFont {font-family: sans-serif, Arial; font-size: 11px; color: #FFFFFF}</style>');
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25 whichFrame.document.write('<script language="Javascript">');
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26 whichFrame.document.write('function loadDigilib(idx) {');
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50
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27 whichFrame.document.write('linkRef = "' + parent.baseUrl + '/digilib.jsp?' + parent.att[0] + '+" + idx;');
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20
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28 whichFrame.document.write('win = window.open(linkRef, "digilib");');
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29 whichFrame.document.write('win.focus();');
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30 whichFrame.document.write('}');
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31 whichFrame.document.write('</script>');
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32
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33
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34 whichFrame.document.write('</head><body bgcolor="#666666">');
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35 whichFrame.document.write('<table border="1" width="' + tableWidth + '" height="' + tableHeight + '">');
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36 for (i = 0; i < att[2]; i++) {
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37 whichFrame.document.write('<tr>');
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38 for (j = 0; j < att[3]; j++) {
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39 indexNr = parseInt(att[1])+i*parseInt(att[3])+j;
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50
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40 thumb = parent.baseUrl + "/servlet/Scaler/";
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120
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41 thumb += att[0] + "?" + "pn=" + indexNr + "&ws=1.0&mo=" + att[4] + "&dw=" + cellWidth + "&dh=" + (cellHeight-25);
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20
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42 whichFrame.document.write('<td align="center" valign="middle" width="' + cellWidth + '" height="' + cellHeight + '" class="myFont">');
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43 whichFrame.document.write('<a href="javascript:loadDigilib(' + indexNr + ')">');
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44 whichFrame.document.write('<img src="' + thumb + '" border="0">');
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45 whichFrame.document.write('</a><br>');
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46 whichFrame.document.write(indexNr + '</td>');
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47 }
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48 whichFrame.document.write('</tr>');
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49 }
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50 whichFrame.document.write('</table></body></html>');
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51 whichFrame.document.close();
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52
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53 initScripts();
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54 }
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55
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56
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57 function Backpage() {
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58
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59 if (att[1] <= 1) {
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60 att[1] = 1;
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61 alert("You are already on the first page!");
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62 }
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63
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64 att[1] = parseInt(att[1])-parseInt(att[2]*att[3]);
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65
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66 if (att[1] < 1) {
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67 att[1] = 1;
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68 }
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69 loadThumbTable();
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70 }
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71
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72
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73
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74 function Nextpage() {
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75
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76 att[1] = parseInt(att[1])+parseInt(att[2]*att[3]);
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77 loadThumbTable();
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78 }
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79
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80
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81 // capturing keypresses for next and previous page
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82 function parseKeypress() {
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83 e = whichFrame.event;
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84
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85 if (e.keyCode == 110) {
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86 Nextpage();
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87 }
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88 if (e.keyCode == 98) {
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89 Backpage();
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90 }
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91 whichFrame.document.cancleBubble = true;
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92 }
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93
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94
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95
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96 // initialize browser specific things (keypress caputring)
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97 function initScripts() {
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98 whichFrame.document.onkeypress = parseKeypress;
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99 whichFrame.focus();
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100 }
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101
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102
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103 // fill in the values of the "att"-array
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104 function initPicture(picURL) {
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105 att = picURL.split("+");
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106
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107 if (att[0].lastIndexOf("/") == att[0].length-1) {
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108 att[0] = att[0].substring(0, att[0].length-1);
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109 }
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110
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111 if (att.length < 2 || att[1] == "") {
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112 att[1] = 1;
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113 }
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114
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115 if (att.length < 3 || att[2] == "") {
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116 att[2] = 3;
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117 }
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118
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119 if (att.length < 4) {
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120 att[3] = 4;
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121 }
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122 }
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