1 | /**
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2 | * $Id: mclayer.js 520 2008-01-07 16:30:32Z spocke $
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3 | *
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4 | * Moxiecode floating layer script.
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5 | *
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6 | * @author Moxiecode
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7 | * @copyright Copyright © 2004-2008, Moxiecode Systems AB, All rights reserved.
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8 | */
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9 |
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10 | function MCLayer(id) {
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11 | this.id = id;
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12 | this.settings = new Array();
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13 | this.blockerElement = null;
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14 | this.isMSIE = navigator.appName == "Microsoft Internet Explorer";
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15 | this.events = false;
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16 | this.autoHideCallback = null;
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17 | }
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18 |
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19 | MCLayer.prototype = {
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20 | moveRelativeTo : function(re, p, a) {
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21 | var rep = this.getAbsPosition(re);
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22 | var w = parseInt(re.offsetWidth);
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23 | var h = parseInt(re.offsetHeight);
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24 | var x, y;
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25 |
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26 | switch (p) {
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27 | case "tl":
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28 | break;
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29 |
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30 | case "tr":
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31 | x = rep.absLeft + w;
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32 | y = rep.absTop;
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33 | break;
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34 |
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35 | case "bl":
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36 | break;
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37 |
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38 | case "br":
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39 | break;
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40 | }
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41 |
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42 | this.moveTo(x, y);
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43 | },
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44 |
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45 | moveBy : function(dx, dy) {
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46 | var e = this.getElement();
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47 | var x = parseInt(e.style.left);
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48 | var y = parseInt(e.style.top);
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49 |
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50 | e.style.left = (x + dx) + "px";
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51 | e.style.top = (y + dy) + "px";
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52 |
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53 | this.updateBlocker();
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54 | },
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55 |
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56 | moveTo : function(x, y) {
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57 | var e = this.getElement();
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58 |
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59 | e.style.left = x + "px";
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60 | e.style.top = y + "px";
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61 |
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62 | this.updateBlocker();
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63 | },
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64 |
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65 | show : function() {
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66 | MCLayer.visibleLayer = this;
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67 |
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68 | this.getElement().style.display = 'block';
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69 | this.updateBlocker();
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70 | },
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71 |
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72 | hide : function() {
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73 | this.getElement().style.display = 'none';
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74 | this.updateBlocker();
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75 | },
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76 |
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77 | setAutoHide : function(s, cb) {
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78 | this.autoHideCallback = cb;
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79 | this.registerEventHandlers();
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80 | },
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81 |
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82 | getElement : function() {
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83 | return document.getElementById(this.id);
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84 | },
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85 |
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86 | updateBlocker : function() {
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87 | if (!this.isMSIE)
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88 | return;
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89 |
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90 | var e = this.getElement();
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91 | var b = this.getBlocker();
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92 | var x = this.parseInt(e.style.left);
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93 | var y = this.parseInt(e.style.top);
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94 | var w = this.parseInt(e.offsetWidth);
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95 | var h = this.parseInt(e.offsetHeight);
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96 |
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97 | b.style.left = x + 'px';
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98 | b.style.top = y + 'px';
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99 | b.style.width = w + 'px';
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100 | b.style.height = h + 'px';
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101 | b.style.display = e.style.display;
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102 | },
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103 |
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104 | getBlocker : function() {
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105 | if (!this.blockerElement) {
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106 | var d = document, b = d.createElement("iframe");
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107 |
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108 | b.style.cssText = 'display: none; left: 0px; position: absolute; top: 0';
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109 | b.src = 'javascript:false;';
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110 | b.frameBorder = '0';
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111 | b.scrolling = 'no';
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112 |
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113 | d.body.appendChild(b);
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114 | this.blockerElement = b;
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115 | }
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116 |
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117 | return this.blockerElement;
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118 | },
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119 |
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120 | getAbsPosition : function(n) {
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121 | var p = {absLeft : 0, absTop : 0};
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122 |
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123 | while (n) {
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124 | p.absLeft += n.offsetLeft;
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125 | p.absTop += n.offsetTop;
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126 | n = n.offsetParent;
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127 | }
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128 |
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129 | return p;
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130 | },
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131 |
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132 | registerEventHandlers : function() {
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133 | if (!this.events) {
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134 | var d = document;
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135 |
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136 | this.addEvent(d, 'mousedown', MCLayer.prototype.onMouseDown);
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137 |
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138 | this.events = true;
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139 | }
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140 | },
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141 |
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142 | addEvent : function(o, n, h) {
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143 | if (o.attachEvent)
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144 | o.attachEvent("on" + n, h);
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145 | else
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146 | o.addEventListener(n, h, false);
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147 | },
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148 |
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149 | onMouseDown : function(e) {
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150 | e = typeof(e) == "undefined" ? window.event : e;
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151 | var b = document.body;
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152 | var l = MCLayer.visibleLayer;
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153 |
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154 | if (l) {
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155 | var mx = l.isMSIE ? e.clientX + b.scrollLeft : e.pageX;
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156 | var my = l.isMSIE ? e.clientY + b.scrollTop : e.pageY;
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157 | var el = l.getElement();
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158 | var x = parseInt(el.style.left);
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159 | var y = parseInt(el.style.top);
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160 | var w = parseInt(el.offsetWidth);
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161 | var h = parseInt(el.offsetHeight);
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162 |
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163 | if (!(mx > x && mx < x + w && my > y && my < y + h)) {
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164 | MCLayer.visibleLayer = null;
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165 |
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166 | if (l.autoHideCallback && l.autoHideCallback(l, e, mx, my))
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167 | return true;
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168 |
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169 | l.hide();
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170 | }
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171 | }
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172 | },
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173 |
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174 | addCSSClass : function(e, c) {
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175 | this.removeCSSClass(e, c);
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176 | var a = this.explode(' ', e.className);
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177 | a[a.length] = c;
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178 | e.className = a.join(' ');
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179 | },
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180 |
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181 | removeCSSClass : function(e, c) {
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182 | var a = this.explode(' ', e.className), i;
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183 |
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184 | for (i=0; i<a.length; i++) {
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185 | if (a[i] == c)
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186 | a[i] = '';
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187 | }
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188 |
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189 | e.className = a.join(' ');
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190 | },
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191 |
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192 | explode : function(d, s) {
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193 | var ar = s.split(d);
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194 | var oar = new Array();
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195 |
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196 | for (var i = 0; i<ar.length; i++) {
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197 | if (ar[i] != "")
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198 | oar[oar.length] = ar[i];
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199 | }
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200 |
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201 | return oar;
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202 | },
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203 |
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204 | parseInt : function(s) {
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205 | if (s == null || s == '')
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206 | return 0;
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207 |
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208 | return parseInt(s);
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209 | }
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210 | }
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