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20
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1 function checkBrowser(){
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2 this.ver = navigator.appVersion;
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3 this.dom = document.getElementById ? 1 : 0;
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4 this.ie5 = (this.ver.indexOf("MSIE 5")>-1 && this.dom) ? 1 : 0;
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5 this.ie4 = (document.all && !this.dom) ? 1 : 0;
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6 this.ns5 = (this.dom && parseInt(this.ver) >= 5) ? 1 : 0;
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7 this.ns4 = (document.layers && !this.dom) ? 1 : 0;
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8 this.ie = (this.ie4 || this.ie5);
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9 return this;
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10 }
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11
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12 browser = new checkBrowser();
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13
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14 function changeBc(obj, color){
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15 var div;
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16
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17 if (color == '' && browser.ns4) color = null;
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18
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19 if (browser.ns4) div = document.layers[obj];
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20 else if (browser.dom) div = document.getElementById(obj).style;
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21 else if (browser.ie) div = document.all[obj].style;
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22
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23 if (browser.dom || browser.ie) div.backgroundColor = color;
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24 if (browser.ns4) div.bgColor = color;
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25 }
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26
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27 function makeArray(n){
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28 this.length = n;
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29 for (var i = 0; i < n; i++) {
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30 this[i] = new Image();
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31 }
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32
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33 return this;
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34 }
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35
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36 function preloadImages() {
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37 over = new makeArray(document.images.length);
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38 away = new makeArray(document.images.length);
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39
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40 for (i = 0; i < document.images.length; i++) {
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41 currName = document.images[i].src.slice(0, document.images[i].src.lastIndexOf('.')-1);
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42 away[i].src = currName + "0.gif";
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43 over[i].src = currName + "1.gif";
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44 }
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45 }
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46
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47 function overButton(n) {
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48 currButton = document.images[n];
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49
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50 currButton.src = over[n].src;
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51 if (showHelp) contextHelp(n);
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52 }
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53
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54 function awayButton(n) {
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55 currButton = document.images[n];
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56
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57 currButton.src = away[n].src;
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58 }
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59
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60 function overItem(obj) {
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61 changeBc("menu" + obj, '#770000');
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62 clearTimeout(timeID);
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63 }
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64
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65 function awayItem(obj) {
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66 changeBc("menu" + obj, '');
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67 timeID = setTimeout("hideMenu()", 700);
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68 }
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69
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70 var timeID = null;
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71
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72 function changeMark(obj) {
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73 var object;
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74
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75 if (browser.ns4) object = document.layers["menu" + obj].document.images[0];
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76 else if (browser.dom) object = document.getElementById("mark" + obj);
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77 else if (browser.ie) object = document.all["mark" + obj];
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78
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79 var path = object.src.slice(0, object.src.lastIndexOf('/')+1);
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80
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81 object.src = (object.src.indexOf("nomark") > -1) ? path + "mark.gif" : path + "nomark.gif";
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82 }
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83
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84 function showMenu(obj) {
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85 menu(obj, true);
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86 }
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87
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88 function menu(obj, show) {
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89 var currObj = "menu" + obj;
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90 var idx = 0;
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91 while(true) {
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92 if (browser.ns4 && document.layers[currObj]) document.layers[currObj].visibility = (show) ? "show" : "hide";
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93 else if (browser.dom && document.getElementById(currObj)) document.getElementById(currObj).style.visibility = (show) ? "visible" : "hidden";
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94 else if (browser.ie && document.all[currObj]) document.all[currObj].style.visibility = (show) ? "visible" : "hidden";
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95 else break;
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96
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97 currObj = "menu" + obj + (++idx);
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98 }
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99 if (!show) activeMenu = '';
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100 else activeMenu = obj;
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101
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102 timeID = setTimeout("hideMenu()", 2000);
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103 }
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104
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105 function hideMenu() {
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106 if (activeMenu != '') menu(activeMenu, false);
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107 clearTimeout(timeID);
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108 }
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109
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110 var activeMenu = '';
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111
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112
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113 // just to be sure, that no buffer overflow can arrive
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114 var semaphor = true;
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115
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116 function contextHelp(n) {
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117
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118 if (helpWindow.closed) {
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119 changeMark(31);
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120 changeHelp();
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121 return;
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122 }
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123
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124 if ((navigator.appVersion.indexOf("Macintosh") < 0) && semaphor) {
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125 semaphor = false;
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126 var help = helpText[n].split("|");
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127
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128 helpWindow.focus();
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129 helpWindow.document.open();
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130 helpWindow.document.write('<html><head><title>Context Help</title>');
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131 helpWindow.document.write('<style type="text/css">');
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132 helpWindow.document.write('.title {font-family: Verdana, sans-serif, Arial; font-size: 12px; font-weight: bold; color: #FFFFFF}');
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133 helpWindow.document.write('.text {font-family: Verdana, sans-serif, Arial; font-size: 10px; color: #000000}');
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134 helpWindow.document.write('</style></head><body bgcolor="#CCCCCC" leftmargin="7" topmargin="7" marginwidth="7" marginheight="7" onload="opener.semaphor = true;">');
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135 helpWindow.document.write('<table width="99%" border="0" cellspacing="0" cellpadding="3"><tr><td bgcolor="#666666" class="title">');
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136 helpWindow.document.write(help[0] + '</tr><tr><td class="text">');
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137 helpWindow.document.write(help[1] + '</tr></td></table></body></html>');
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138 helpWindow.document.close();
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139
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140 // stupid workaround because of netscape 6, that doesen't know the opener property
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141 // this workaround is still ok cause netscape 6 has eventbuffer checks so no overflow
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142 if (browser.ns5) {
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143 semaphor = true;
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144 }
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145 }
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146
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147 }
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148
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149 function openContextHelp() {
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150 if (navigator.appVersion.indexOf("Macintosh") > -1) {
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151 openContextHelpMac();
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152 return;
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153 }
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154
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155 semaphor = false;
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156
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157 var winWidth = 270;
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158 var winHeight = 130;
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159
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160 var xScreen = 0.9*(screen.width-winWidth);
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161 var yScreen = 0.8*(screen.height-winHeight);
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162
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163 helpWindow = window.open("", "ContextHelp", "width=" + winWidth + ",height=" + winHeight + ",screenX=" + xScreen + ",screenY=" + yScreen + ",left=" + xScreen + ",top=" + yScreen);
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164
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165 helpWindow.focus();
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166 helpWindow.document.open();
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167 helpWindow.document.write('<html><head><title>Context Help</title>');
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168 helpWindow.document.write('<style type="text/css">');
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169 helpWindow.document.write('.title {font-family: Verdana, sans-serif, Arial; font-size: 12px; font-weight: bold; color: #FFFFFF}');
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170 helpWindow.document.write('.text {font-family: Verdana, sans-serif, Arial; font-size: 10px; color: #000000}');
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171 helpWindow.document.write('</style></head><body bgcolor="#CCCCCC" leftmargin="7" topmargin="7" marginwidth="7" marginheight="7">');
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172 helpWindow.document.write('<table width="99%" border="0" cellspacing="0" cellpadding="3"><tr><td bgcolor="#666666" class="title">');
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173 helpWindow.document.write('Context Help</tr><tr><td class="text">');
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174 helpWindow.document.write('Move over any button to get some more information about its function</tr></td></table></body></html>');
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175 helpWindow.document.close();
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176
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177 // for some safety reason help-requests have to be blocked while opening the window
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178 setTimeout("semaphor = true;", 200);
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179 }
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180
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181 // because macs have a strange window focus behaviour we have to go a special
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182 // way for them - just opening a window that contains all button-descriptions
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183 function openContextHelpMac() {
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184
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185 var winWidth = 270;
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186 var winHeight = 600;
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187
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188 var xScreen = 0.9*(screen.width-winWidth);
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189 var yScreen = 0.8*(screen.height-winHeight);
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190
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191 helpWindow = window.open("", "ContextHelp", "width=" + winWidth + ",height=" + winHeight + ",screenX=" + xScreen + ",screenY=" + yScreen + ",left=" + xScreen + ",top=" + yScreen + ",scrollbars");
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192
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193 helpWindow.focus();
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194 helpWindow.document.open();
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195 helpWindow.document.write('<html><head><title>Context Help Macintosh</title>');
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196 helpWindow.document.write('<style type="text/css">');
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197 helpWindow.document.write('.title {font-family: Verdana, sans-serif, Arial; font-size: 12px; font-weight: bold; color: #FFFFFF}');
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198 helpWindow.document.write('.text {font-family: Verdana, sans-serif, Arial; font-size: 10px; color: #000000}');
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199 helpWindow.document.write('</style></head><body bgcolor="#CCCCCC" leftmargin="7" topmargin="7" marginwidth="7" marginheight="7">');
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200 helpWindow.document.write('<table width="99%" border="0" cellspacing="0" cellpadding="3">');
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201
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202 for (n = 0; n < helpText.length; n++) {
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203
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204 help = helpText[n].split("|");
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205 helpWindow.document.write('<tr><td bgcolor="#666666" class="title">');
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206 helpWindow.document.write(help[0] + '</tr><tr><td class="text">');
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207 helpWindow.document.write('<p>' + help[1] + '<br> </p></tr></td>');
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208 }
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209 helpWindow.document.write('</table></body></html>');
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210 helpWindow.document.close();
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211 }
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212
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213
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214 function closeContextHelp() {
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215 if (helpWindow != '' && !helpWindow.closed) {
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216 helpWindow.close();
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217 }
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218 helpWindow = '';
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219 }
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220
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221 function changeHelp() {
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222 showHelp = !showHelp;
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223 showHelp ? openContextHelp() : closeContextHelp();
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224 }
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225
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226
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227 // variable containing the contextwindow
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228 var helpWindow = ''; |
