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45
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1 function checkBrowser() {
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2
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3 this.ua = navigator.userAgent;
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4 this.ver = navigator.appVersion;
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5 this.dom = ( document.getElementById );
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6 this.opera = ( this.dom ) && ( this.ua.toLowerCase().indexOf("opera") > -1 );
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7 this.ie4 = ( document.all ) && ( !this.dom );
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8 this.ie5 = ( this.ver.indexOf("MSIE 5") > -1 ) && ( this.dom );
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9 this.ie6 = ( this.ver.indexOf("MSIE 6") > -1 ) && ( this.dom );
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10 this.ns4 = ( document.layers ) && ( !this.dom );
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11 this.ns6 = ( this.dom ) && ( parseInt(this.ver) >= 5 ) && ( !this.opera );
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12 this.ns = this.ns4 || this.ns6;
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13 this.ie = this.ie4 || this.ie5 || this.ie6;
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14
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15 return this;
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16 }
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20
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17
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18 browser = new checkBrowser();
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19
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20 function changeBc(obj, color){
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21 var div;
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22
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23 if (color == '' && browser.ns4) color = null;
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24
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25 if (browser.ns4) div = document.layers[obj];
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26 else if (browser.dom) div = document.getElementById(obj).style;
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27 else if (browser.ie) div = document.all[obj].style;
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28
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29 if (browser.dom || browser.ie) div.backgroundColor = color;
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30 if (browser.ns4) div.bgColor = color;
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31 }
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32
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33 function makeArray(n){
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34 this.length = n;
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35 for (var i = 0; i < n; i++) {
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36 this[i] = new Image();
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37 }
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38
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39 return this;
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40 }
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41
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42 function preloadImages() {
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43 over = new makeArray(document.images.length);
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44 away = new makeArray(document.images.length);
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45
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46 for (i = 0; i < document.images.length; i++) {
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47 currName = document.images[i].src.slice(0, document.images[i].src.lastIndexOf('.')-1);
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48 away[i].src = currName + "0.gif";
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49 over[i].src = currName + "1.gif";
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50 }
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51 }
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52
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53 function overButton(n) {
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54 currButton = document.images[n];
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55
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56 currButton.src = over[n].src;
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57 if (showHelp) contextHelp(n);
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58 }
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59
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60 function awayButton(n) {
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61 currButton = document.images[n];
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62
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63 currButton.src = away[n].src;
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64 }
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65
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66 function overItem(obj) {
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67 changeBc("menu" + obj, '#770000');
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68 clearTimeout(timeID);
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69 }
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70
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71 function awayItem(obj) {
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45
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72 changeBc("menu" + obj, '#666666');
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20
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73 timeID = setTimeout("hideMenu()", 700);
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74 }
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75
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76 var timeID = null;
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77
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78 function changeMark(obj) {
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79 var object;
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80
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81 if (browser.ns4) object = document.layers["menu" + obj].document.images[0];
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82 else if (browser.dom) object = document.getElementById("mark" + obj);
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83 else if (browser.ie) object = document.all["mark" + obj];
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84
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85 var path = object.src.slice(0, object.src.lastIndexOf('/')+1);
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86
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87 object.src = (object.src.indexOf("nomark") > -1) ? path + "mark.gif" : path + "nomark.gif";
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88 }
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89
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90 function showMenu(obj) {
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91 menu(obj, true);
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92 }
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93
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94 function menu(obj, show) {
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95 var currObj = "menu" + obj;
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96 var idx = 0;
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97 while(true) {
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98 if (browser.ns4 && document.layers[currObj]) document.layers[currObj].visibility = (show) ? "show" : "hide";
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99 else if (browser.dom && document.getElementById(currObj)) document.getElementById(currObj).style.visibility = (show) ? "visible" : "hidden";
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100 else if (browser.ie && document.all[currObj]) document.all[currObj].style.visibility = (show) ? "visible" : "hidden";
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101 else break;
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102
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103 currObj = "menu" + obj + (++idx);
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104 }
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105 if (!show) activeMenu = '';
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106 else activeMenu = obj;
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107
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108 timeID = setTimeout("hideMenu()", 2000);
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109 }
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110
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111 function hideMenu() {
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112 if (activeMenu != '') menu(activeMenu, false);
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113 clearTimeout(timeID);
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114 }
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115
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116 var activeMenu = '';
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117
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118
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119 // just to be sure, that no buffer overflow can arrive
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120 var semaphor = true;
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121
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122 function contextHelp(n) {
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123
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124 if (helpWindow.closed) {
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125 changeMark(31);
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126 changeHelp();
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127 return;
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128 }
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129
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130 if ((navigator.appVersion.indexOf("Macintosh") < 0) && semaphor) {
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131 semaphor = false;
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132 var help = helpText[n].split("|");
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133
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134 helpWindow.focus();
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135 helpWindow.document.open();
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136 helpWindow.document.write('<html><head><title>Context Help</title>');
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137 helpWindow.document.write('<style type="text/css">');
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138 helpWindow.document.write('.title {font-family: Verdana, sans-serif, Arial; font-size: 12px; font-weight: bold; color: #FFFFFF}');
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139 helpWindow.document.write('.text {font-family: Verdana, sans-serif, Arial; font-size: 10px; color: #000000}');
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140 helpWindow.document.write('</style></head><body bgcolor="#CCCCCC" leftmargin="7" topmargin="7" marginwidth="7" marginheight="7" onload="opener.semaphor = true;">');
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141 helpWindow.document.write('<table width="99%" border="0" cellspacing="0" cellpadding="3"><tr><td bgcolor="#666666" class="title">');
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142 helpWindow.document.write(help[0] + '</tr><tr><td class="text">');
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143 helpWindow.document.write(help[1] + '</tr></td></table></body></html>');
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144 helpWindow.document.close();
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145
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146 // stupid workaround because of netscape 6, that doesen't know the opener property
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45
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147 // this workaround is still ok because netscape 6 has eventbuffer checks so no overflow
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148 if (browser.ns6) {
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20
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149 semaphor = true;
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150 }
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45
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151
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152 // next stupid workaround because of opera 6, that somehow don't start the 'onLoad'-
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153 // attribute in the body tag (the helpwindow does not finish loading)
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154 if (browser.opera) {
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155 setTimeout("semaphor = true;", 50);
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156 }
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157
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20
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158 }
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159
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160 }
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161
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162 function openContextHelp() {
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163 if (navigator.appVersion.indexOf("Macintosh") > -1) {
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164 openContextHelpMac();
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165 return;
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166 }
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167
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168 semaphor = false;
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169
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170 var winWidth = 270;
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171 var winHeight = 130;
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172
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173 var xScreen = 0.9*(screen.width-winWidth);
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174 var yScreen = 0.8*(screen.height-winHeight);
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175
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176 helpWindow = window.open("", "ContextHelp", "width=" + winWidth + ",height=" + winHeight + ",screenX=" + xScreen + ",screenY=" + yScreen + ",left=" + xScreen + ",top=" + yScreen);
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177
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178 helpWindow.focus();
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179 helpWindow.document.open();
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180 helpWindow.document.write('<html><head><title>Context Help</title>');
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181 helpWindow.document.write('<style type="text/css">');
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182 helpWindow.document.write('.title {font-family: Verdana, sans-serif, Arial; font-size: 12px; font-weight: bold; color: #FFFFFF}');
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183 helpWindow.document.write('.text {font-family: Verdana, sans-serif, Arial; font-size: 10px; color: #000000}');
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184 helpWindow.document.write('</style></head><body bgcolor="#CCCCCC" leftmargin="7" topmargin="7" marginwidth="7" marginheight="7">');
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185 helpWindow.document.write('<table width="99%" border="0" cellspacing="0" cellpadding="3"><tr><td bgcolor="#666666" class="title">');
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186 helpWindow.document.write('Context Help</tr><tr><td class="text">');
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187 helpWindow.document.write('Move over any button to get some more information about its function</tr></td></table></body></html>');
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188 helpWindow.document.close();
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189
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190 // for some safety reason help-requests have to be blocked while opening the window
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191 setTimeout("semaphor = true;", 200);
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192 }
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193
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194 // because macs have a strange window focus behaviour we have to go a special
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195 // way for them - just opening a window that contains all button-descriptions
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196 function openContextHelpMac() {
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197
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198 var winWidth = 270;
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199 var winHeight = 600;
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200
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201 var xScreen = 0.9*(screen.width-winWidth);
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202 var yScreen = 0.8*(screen.height-winHeight);
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203
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204 helpWindow = window.open("", "ContextHelp", "width=" + winWidth + ",height=" + winHeight + ",screenX=" + xScreen + ",screenY=" + yScreen + ",left=" + xScreen + ",top=" + yScreen + ",scrollbars");
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205
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206 helpWindow.focus();
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207 helpWindow.document.open();
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208 helpWindow.document.write('<html><head><title>Context Help Macintosh</title>');
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209 helpWindow.document.write('<style type="text/css">');
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210 helpWindow.document.write('.title {font-family: Verdana, sans-serif, Arial; font-size: 12px; font-weight: bold; color: #FFFFFF}');
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211 helpWindow.document.write('.text {font-family: Verdana, sans-serif, Arial; font-size: 10px; color: #000000}');
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212 helpWindow.document.write('</style></head><body bgcolor="#CCCCCC" leftmargin="7" topmargin="7" marginwidth="7" marginheight="7">');
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213 helpWindow.document.write('<table width="99%" border="0" cellspacing="0" cellpadding="3">');
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214
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215 for (n = 0; n < helpText.length; n++) {
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216
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217 help = helpText[n].split("|");
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218 helpWindow.document.write('<tr><td bgcolor="#666666" class="title">');
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219 helpWindow.document.write(help[0] + '</tr><tr><td class="text">');
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220 helpWindow.document.write('<p>' + help[1] + '<br> </p></tr></td>');
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221 }
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222 helpWindow.document.write('</table></body></html>');
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223 helpWindow.document.close();
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224 }
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225
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226
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227 function closeContextHelp() {
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228 if (helpWindow != '' && !helpWindow.closed) {
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229 helpWindow.close();
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230 }
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231 helpWindow = '';
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232 }
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233
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234 function changeHelp() {
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235 showHelp = !showHelp;
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236 showHelp ? openContextHelp() : closeContextHelp();
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237 }
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238
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239
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240 // variable containing the contextwindow
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241 var helpWindow = ''; |
