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1 // ===================================================================
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2 // Author: Matt Kruse <matt@mattkruse.com>
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3 // WWW: http://www.mattkruse.com/
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4 //
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5 // NOTICE: You may use this code for any purpose, commercial or
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6 // private, without any further permission from the author. You may
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7 // remove this notice from your final code if you wish, however it is
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8 // appreciated by the author if at least my web site address is kept.
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9 //
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10 // You may *NOT* re-distribute this code in any way except through its
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11 // use. That means, you can include it in your product, or your web
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12 // site, or any other form where the code is actually being used. You
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13 // may not put the plain javascript up on your site for download or
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14 // include it in your javascript libraries for download.
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15 // If you wish to share this code with others, please just point them
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16 // to the URL instead.
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17 // Please DO NOT link directly to my .js files from your site. Copy
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18 // the files to your server and use them there. Thank you.
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19 // ===================================================================
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20
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21 /*
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22 PopupWindow.js
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23 Author: Matt Kruse
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24 Last modified: 02/16/04
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25
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26 DESCRIPTION: This object allows you to easily and quickly popup a window
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27 in a certain place. The window can either be a DIV or a separate browser
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28 window.
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29
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30 COMPATABILITY: Works with Netscape 4.x, 6.x, IE 5.x on Windows. Some small
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31 positioning errors - usually with Window positioning - occur on the
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32 Macintosh platform. Due to bugs in Netscape 4.x, populating the popup
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33 window with <STYLE> tags may cause errors.
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34
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35 USAGE:
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36 // Create an object for a WINDOW popup
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37 var win = new PopupWindow();
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38
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39 // Create an object for a DIV window using the DIV named 'mydiv'
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40 var win = new PopupWindow('mydiv');
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41
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42 // Set the window to automatically hide itself when the user clicks
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43 // anywhere else on the page except the popup
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44 win.autoHide();
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45
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46 // Show the window relative to the anchor name passed in
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47 win.showPopup(anchorname);
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48
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49 // Hide the popup
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50 win.hidePopup();
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51
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52 // Set the size of the popup window (only applies to WINDOW popups
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53 win.setSize(width,height);
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54
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55 // Populate the contents of the popup window that will be shown. If you
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56 // change the contents while it is displayed, you will need to refresh()
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57 win.populate(string);
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58
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59 // set the URL of the window, rather than populating its contents
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60 // manually
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61 win.setUrl("http://www.site.com/");
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62
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63 // Refresh the contents of the popup
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64 win.refresh();
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65
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66 // Specify how many pixels to the right of the anchor the popup will appear
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67 win.offsetX = 50;
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68
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69 // Specify how many pixels below the anchor the popup will appear
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70 win.offsetY = 100;
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71
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72 NOTES:
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73 1) Requires the functions in AnchorPosition.js
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74
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75 2) Your anchor tag MUST contain both NAME and ID attributes which are the
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76 same. For example:
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77 <A NAME="test" ID="test"> </A>
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78
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79 3) There must be at least a space between <A> </A> for IE5.5 to see the
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80 anchor tag correctly. Do not do <A></A> with no space.
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81
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82 4) When a PopupWindow object is created, a handler for 'onmouseup' is
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83 attached to any event handler you may have already defined. Do NOT define
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84 an event handler for 'onmouseup' after you define a PopupWindow object or
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85 the autoHide() will not work correctly.
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86 */
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87
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88 // Set the position of the popup window based on the anchor
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89 function PopupWindow_getXYPosition(anchorname) {
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90 var coordinates;
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91 if (this.type == "WINDOW") {
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92 coordinates = getAnchorWindowPosition(anchorname);
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93 }
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94 else {
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95 coordinates = getAnchorPosition(anchorname);
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96 }
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97 this.x = coordinates.x;
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98 this.y = coordinates.y;
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99 }
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100 // Set width/height of DIV/popup window
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101 function PopupWindow_setSize(width,height) {
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102 this.width = width;
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103 this.height = height;
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104 }
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105 // Fill the window with contents
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106 function PopupWindow_populate(contents) {
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107 this.contents = contents;
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108 this.populated = false;
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109 }
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110 // Set the URL to go to
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111 function PopupWindow_setUrl(url) {
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112 this.url = url;
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113 }
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114 // Set the window popup properties
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115 function PopupWindow_setWindowProperties(props) {
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116 this.windowProperties = props;
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117 }
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118 // Refresh the displayed contents of the popup
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119 function PopupWindow_refresh() {
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120 if (this.divName != null) {
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121 // refresh the DIV object
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122 if (this.use_gebi) {
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123 document.getElementById(this.divName).innerHTML = this.contents;
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124 }
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125 else if (this.use_css) {
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126 document.all[this.divName].innerHTML = this.contents;
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127 }
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128 else if (this.use_layers) {
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129 var d = document.layers[this.divName];
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130 d.document.open();
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131 d.document.writeln(this.contents);
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132 d.document.close();
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133 }
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134 }
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135 else {
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136 if (this.popupWindow != null && !this.popupWindow.closed) {
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137 if (this.url!="") {
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138 this.popupWindow.location.href=this.url;
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139 }
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140 else {
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141 this.popupWindow.document.open();
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142 this.popupWindow.document.writeln(this.contents);
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143 this.popupWindow.document.close();
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144 }
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145 this.popupWindow.focus();
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146 }
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147 }
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148 }
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149 // Position and show the popup, relative to an anchor object
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150 function PopupWindow_showPopup(anchorname) {
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151 this.getXYPosition(anchorname);
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152 this.x += this.offsetX;
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153 this.y += this.offsetY;
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154 if (!this.populated && (this.contents != "")) {
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155 this.populated = true;
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156 this.refresh();
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157 }
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158 if (this.divName != null) {
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159 // Show the DIV object
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160 if (this.use_gebi) {
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161 document.getElementById(this.divName).style.left = this.x + "px";
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162 document.getElementById(this.divName).style.top = this.y + "px";
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163 document.getElementById(this.divName).style.visibility = "visible";
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164 }
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165 else if (this.use_css) {
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166 document.all[this.divName].style.left = this.x;
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167 document.all[this.divName].style.top = this.y;
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168 document.all[this.divName].style.visibility = "visible";
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169 }
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170 else if (this.use_layers) {
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171 document.layers[this.divName].left = this.x;
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172 document.layers[this.divName].top = this.y;
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173 document.layers[this.divName].visibility = "visible";
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174 }
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175 }
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176 else {
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177 if (this.popupWindow == null || this.popupWindow.closed) {
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178 // If the popup window will go off-screen, move it so it doesn't
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179 if (this.x<0) { this.x=0; }
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180 if (this.y<0) { this.y=0; }
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181 if (screen && screen.availHeight) {
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182 if ((this.y + this.height) > screen.availHeight) {
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183 this.y = screen.availHeight - this.height;
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184 }
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185 }
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186 if (screen && screen.availWidth) {
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187 if ((this.x + this.width) > screen.availWidth) {
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188 this.x = screen.availWidth - this.width;
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189 }
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190 }
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191 var avoidAboutBlank = window.opera || ( document.layers && !navigator.mimeTypes['*'] ) || navigator.vendor == 'KDE' || ( document.childNodes && !document.all && !navigator.taintEnabled );
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192 this.popupWindow = window.open(avoidAboutBlank?"":"about:blank","window_"+anchorname,this.windowProperties+",width="+this.width+",height="+this.height+",screenX="+this.x+",left="+this.x+",screenY="+this.y+",top="+this.y+"");
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193 }
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194 this.refresh();
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195 }
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196 }
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197 // Hide the popup
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198 function PopupWindow_hidePopup() {
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199 if (this.divName != null) {
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200 if (this.use_gebi) {
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201 document.getElementById(this.divName).style.visibility = "hidden";
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202 }
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203 else if (this.use_css) {
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204 document.all[this.divName].style.visibility = "hidden";
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205 }
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206 else if (this.use_layers) {
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207 document.layers[this.divName].visibility = "hidden";
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208 }
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209 }
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210 else {
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211 if (this.popupWindow && !this.popupWindow.closed) {
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212 this.popupWindow.close();
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213 this.popupWindow = null;
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214 }
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215 }
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216 }
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217 // Pass an event and return whether or not it was the popup DIV that was clicked
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218 function PopupWindow_isClicked(e) {
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219 if (this.divName != null) {
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220 if (this.use_layers) {
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221 var clickX = e.pageX;
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222 var clickY = e.pageY;
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223 var t = document.layers[this.divName];
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224 if ((clickX > t.left) && (clickX < t.left+t.clip.width) && (clickY > t.top) && (clickY < t.top+t.clip.height)) {
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225 return true;
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226 }
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227 else { return false; }
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228 }
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229 else if (document.all) { // Need to hard-code this to trap IE for error-handling
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230 var t = window.event.srcElement;
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231 while (t.parentElement != null) {
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232 if (t.id==this.divName) {
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233 return true;
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234 }
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235 t = t.parentElement;
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236 }
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237 return false;
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238 }
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239 else if (this.use_gebi && e) {
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240 var t = e.originalTarget;
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241 while (t.parentNode != null) {
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242 if (t.id==this.divName) {
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243 return true;
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244 }
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245 t = t.parentNode;
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246 }
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247 return false;
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248 }
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249 return false;
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250 }
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251 return false;
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252 }
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253
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254 // Check an onMouseDown event to see if we should hide
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255 function PopupWindow_hideIfNotClicked(e) {
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256 if (this.autoHideEnabled && !this.isClicked(e)) {
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257 this.hidePopup();
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258 }
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259 }
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260 // Call this to make the DIV disable automatically when mouse is clicked outside it
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261 function PopupWindow_autoHide() {
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262 this.autoHideEnabled = true;
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263 }
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264 // This global function checks all PopupWindow objects onmouseup to see if they should be hidden
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265 function PopupWindow_hidePopupWindows(e) {
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266 for (var i=0; i<popupWindowObjects.length; i++) {
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267 if (popupWindowObjects[i] != null) {
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268 var p = popupWindowObjects[i];
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269 p.hideIfNotClicked(e);
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270 }
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271 }
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272 }
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273 // Run this immediately to attach the event listener
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274 function PopupWindow_attachListener() {
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275 if (document.layers) {
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276 document.captureEvents(Event.MOUSEUP);
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277 }
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278 window.popupWindowOldEventListener = document.onmouseup;
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279 if (window.popupWindowOldEventListener != null) {
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280 document.onmouseup = new Function("window.popupWindowOldEventListener(); PopupWindow_hidePopupWindows();");
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281 }
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282 else {
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283 document.onmouseup = PopupWindow_hidePopupWindows;
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284 }
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285 }
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286 // CONSTRUCTOR for the PopupWindow object
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287 // Pass it a DIV name to use a DHTML popup, otherwise will default to window popup
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288 function PopupWindow() {
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289 if (!window.popupWindowIndex) { window.popupWindowIndex = 0; }
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290 if (!window.popupWindowObjects) { window.popupWindowObjects = new Array(); }
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291 if (!window.listenerAttached) {
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292 window.listenerAttached = true;
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293 PopupWindow_attachListener();
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294 }
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295 this.index = popupWindowIndex++;
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296 popupWindowObjects[this.index] = this;
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297 this.divName = null;
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298 this.popupWindow = null;
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299 this.width=0;
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300 this.height=0;
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301 this.populated = false;
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302 this.visible = false;
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303 this.autoHideEnabled = false;
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304
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305 this.contents = "";
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306 this.url="";
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307 this.windowProperties="toolbar=no,location=no,status=no,menubar=no,scrollbars=auto,resizable,alwaysRaised,dependent,titlebar=no";
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308 if (arguments.length>0) {
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309 this.type="DIV";
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310 this.divName = arguments[0];
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311 }
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312 else {
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313 this.type="WINDOW";
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314 }
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315 this.use_gebi = false;
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316 this.use_css = false;
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317 this.use_layers = false;
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318 if (document.getElementById) { this.use_gebi = true; }
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319 else if (document.all) { this.use_css = true; }
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320 else if (document.layers) { this.use_layers = true; }
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321 else { this.type = "WINDOW"; }
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322 this.offsetX = 0;
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323 this.offsetY = 0;
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324 // Method mappings
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325 this.getXYPosition = PopupWindow_getXYPosition;
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326 this.populate = PopupWindow_populate;
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327 this.setUrl = PopupWindow_setUrl;
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328 this.setWindowProperties = PopupWindow_setWindowProperties;
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329 this.refresh = PopupWindow_refresh;
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330 this.showPopup = PopupWindow_showPopup;
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331 this.hidePopup = PopupWindow_hidePopup;
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332 this.setSize = PopupWindow_setSize;
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333 this.isClicked = PopupWindow_isClicked;
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334 this.autoHide = PopupWindow_autoHide;
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335 this.hideIfNotClicked = PopupWindow_hideIfNotClicked;
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336 }
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