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1 /*
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2 Copyright (C) 2003 WTWG, Uni Bern
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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: Christian Luginbuehl, 01.05.2003 , Version Alcatraz 0.3
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19 */
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20 function rotate() {
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21 value = prompt("Enter absolute rotation angle in degrees (clockwise orientation) :");
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22
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23 if (value) {
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24 window.content.rotation(value);
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25 }
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26 }
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27
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28 function color_add() {
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29
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30 value = prompt("Enter the values you like to add to the red, green and blue color channel.\n\nFormat is R/G/B, where R,G,B are floating numbers between -255 and +255.");
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31
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32 if (value) {
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33
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34 values = value.split("/");
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35
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36 if (values.length != 3) alert("Illegal format");
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37 else if ((values[0] < -255) || (values[0] > 255)) alert("Illegal value for red");
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38 else if ((values[1] < -255) || (values[1] > 255)) alert("Illegal value for green");
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39 else if ((values[2] < -255) || (values[2] > 255)) alert("Illegal value for blue");
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40
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41 else window.content.rgba(value);
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42
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43 }
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44 }
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45
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46 function color_multiply() {
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47
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105
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48 value = prompt("Enter the values you like to multiply with the different color channels.\n\nFormat is R/G/B, where R,G,B are floating numbers.");
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98
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49
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50 if (value) {
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51
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52 values = value.split("/");
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53
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54 if (values.length != 3) alert("Illegal format");
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55
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56 else window.content.rgbm(value);
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57
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58 }
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59 }
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60
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61 function showMetadata(myurl){
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62 var arrUrl=myurl.split("?");
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63 var strDigilib=arrUrl[0];
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64 var strParams=arrUrl[1];
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65 var strArguments=strParams.split("&");
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66 var strDocDir="";
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67 for (i=0;i<strArguments.length;i++){
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68 var strArg=strArguments[i];
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69 var intPos=strArg.indexOf("fn=");
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70 if (intPos>=0){
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71 strDocDir=strArg.substr(intPos+3);
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72 }
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73 }
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74 if (strDocDir == ""){
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75 alert("no metadata available");
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76 }else{
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77 window.open("showMetadata.jsp?docdir="+strDocDir,"Metadata "+strDocDir,"menubar=no scrollbars=yes height=400 width=600");
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78 }
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79 }
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80
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81
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82 function checkBrowser() {
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83
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84 this.ua = navigator.userAgent;
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85 this.ver = navigator.appVersion;
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86 this.dom = ( document.getElementById );
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87 this.opera = ( this.dom ) && ( this.ua.toLowerCase().indexOf("opera") > -1 );
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88 this.ie4 = ( document.all ) && ( !this.dom );
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89 this.ie5 = ( this.ver.indexOf("MSIE 5") > -1 ) && ( this.dom );
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90 this.ie6 = ( this.ver.indexOf("MSIE 6") > -1 ) && ( this.dom );
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91 this.ns4 = ( document.layers ) && ( !this.dom );
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92 this.ns6 = ( this.dom ) && ( parseInt(this.ver) >= 5 ) && ( !this.opera );
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93 this.ns = this.ns4 || this.ns6;
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94 this.ie = this.ie4 || this.ie5 || this.ie6;
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95
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96 return this;
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97 }
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98
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99 browser = new checkBrowser();
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100
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101 function overButton(n) {
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102 if (showHelp) contextHelp(n);
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103 }
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104
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105
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106 // just to be sure, that no buffer overflow can arrive
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107 var semaphor = true;
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108
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109 function contextHelp(n) {
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110
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111 if (helpWindow.closed) {
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112 changeHelp();
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113 return;
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114 }
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115
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116 if ((navigator.appVersion.indexOf("Macintosh") < 0) && semaphor) {
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117 semaphor = false;
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118
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119 var tmpHelp = helpText[n];
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120 tmpHelp = tmpHelp.replace(/\(br\)/,"<br>");
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121 var help = tmpHelp.split("|");
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122
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123 helpWindow.focus();
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124 helpWindow.document.open();
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125 helpWindow.document.write('<html><head><title>Context Help</title>');
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126 helpWindow.document.write('<style type="text/css">');
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127 helpWindow.document.write('.title {font-family: Verdana, sans-serif, Arial; font-size: 12px; font-weight: bold; color: #FFFFFF}');
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128 helpWindow.document.write('.text {font-family: Verdana, sans-serif, Arial; font-size: 10px; color: #000000}');
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129 helpWindow.document.write('</style></head><body bgcolor="#CCCCCC" leftmargin="7" topmargin="7" marginwidth="7" marginheight="7" onload="opener.semaphor = true;">');
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130 helpWindow.document.write('<table width="99%" border="0" cellspacing="0" cellpadding="3"><tr><td bgcolor="#666666" class="title">');
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131 helpWindow.document.write(help[0] + '</tr><tr><td class="text">');
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132 helpWindow.document.write(help[1] + '</tr></td></table></body></html>');
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133 helpWindow.document.close();
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134
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135
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136 // stupid workaround because of netscape 6, that doesen't know the opener property
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137 // this workaround is still ok because netscape 6 has eventbuffer checks so no overflow
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138 if (browser.ns6) {
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139 semaphor = true;
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140 }
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141
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142 // next stupid workaround because of opera 6, that somehow don't start the 'onLoad'-
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143 // attribute in the body tag (the helpwindow does not finish loading)
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144 if (browser.opera) {
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145 setTimeout("semaphor = true;", 50);
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146 }
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147
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148 }
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149
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150 }
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151
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152 function openContextHelp() {
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153 if (navigator.appVersion.indexOf("Macintosh") > -1) {
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154 openContextHelpMac();
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155 return;
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156 }
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157
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158 semaphor = false;
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159
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160 var winWidth = 270;
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161 var winHeight = 130;
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162
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163 var xScreen = 0.9*(screen.width-winWidth);
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164 var yScreen = 0.8*(screen.height-winHeight);
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165
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166 helpWindow = window.open("", "ContextHelp", "width=" + winWidth + ",height=" + winHeight + ",screenX=" + xScreen + ",screenY=" + yScreen + ",left=" + xScreen + ",top=" + yScreen);
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167
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168 helpWindow.focus();
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169 helpWindow.document.open();
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170 helpWindow.document.write('<html><head><title>Context Help</title>');
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171 helpWindow.document.write('<style type="text/css">');
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172 helpWindow.document.write('.title {font-family: Verdana, sans-serif, Arial; font-size: 12px; font-weight: bold; color: #FFFFFF}');
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173 helpWindow.document.write('.text {font-family: Verdana, sans-serif, Arial; font-size: 10px; color: #000000}');
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174 helpWindow.document.write('</style></head><body bgcolor="#CCCCCC" leftmargin="7" topmargin="7" marginwidth="7" marginheight="7">');
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175 helpWindow.document.write('<table width="99%" border="0" cellspacing="0" cellpadding="3"><tr><td bgcolor="#666666" class="title">');
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176 helpWindow.document.write('Context Help</tr><tr><td class="text">');
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177 helpWindow.document.write('Move over any button to get some more information about its function</tr></td></table></body></html>');
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178 helpWindow.document.close();
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179
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180 // for some safety reason help-requests have to be blocked while opening the window
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181 setTimeout("semaphor = true;", 200);
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182 }
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183
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184 // because macs have a strange window focus behaviour we have to go a special
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185
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186 // way for them - just opening a window that contains all button-descriptions
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187
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188 function openContextHelpMac() {
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189
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190 var winWidth = 270;
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191 var winHeight = 600;
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192
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193 var xScreen = 0.9*(screen.width-winWidth);
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194 var yScreen = 0.8*(screen.height-winHeight);
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195
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196 helpWindow = window.open("", "ContextHelp", "width=" + winWidth + ",height=" + winHeight + ",screenX=" + xScreen + ",screenY=" + yScreen + ",left=" + xScreen + ",top=" + yScreen + ",scrollbars");
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197
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198 helpWindow.focus();
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199 helpWindow.document.open();
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200 helpWindow.document.write('<html><head><title>Context Help Macintosh</title>');
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201 helpWindow.document.write('<style type="text/css">');
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202 helpWindow.document.write('.title {font-family: Verdana, sans-serif, Arial; font-size: 12px; font-weight: bold; color: #FFFFFF}');
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203 helpWindow.document.write('.text {font-family: Verdana, sans-serif, Arial; font-size: 10px; color: #000000}');
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204 helpWindow.document.write('</style></head><body bgcolor="#CCCCCC" leftmargin="7" topmargin="7" marginwidth="7" marginheight="7">');
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205 helpWindow.document.write('<table width="99%" border="0" cellspacing="0" cellpadding="3">');
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206
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207 for (n = 0; n < helpText.length; n++) {
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208
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209 help = helpText[n].split("|");
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210 helpWindow.document.write('<tr><td bgcolor="#666666" class="title">');
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211 helpWindow.document.write(help[0] + '</tr><tr><td class="text">');
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212 helpWindow.document.write('<p>' + help[1] + '<br> </p></tr></td>');
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213 }
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214
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215 helpWindow.document.write('</table></body></html>');
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216 helpWindow.document.close();
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217 }
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218
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219 function closeContextHelp() {
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220 if (helpWindow != '' && !helpWindow.closed) {
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221 helpWindow.close();
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222 }
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223
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224 helpWindow = '';
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225
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226 }
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227
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228 function changeHelp() {
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229 showHelp = !showHelp;
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230 showHelp ? openContextHelp() : closeContextHelp();
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231 }
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232
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233
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234 // variable containing the contextwindow
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235
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236 var helpWindow = '';
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