rem: var bx = document.getElementById("bxPadding"); 
add: bx = document.getElementById("bxPadding"); 
context:   calculateOutlines: function()  {    var computed = this.getSubjectComputedStyle();    var s = this.mZoomScale;        // fill out the margin outline    var mt = parseInt(computed.getPropertyCSSValue("margin-top").cssText) * s;    var mr = parseInt(computed.getPropertyCSSValue("margin-right").cssText) * s;    var mb = parseInt(computed.getPropertyCSSValue("margin-bottom").cssText) * s;    var ml = parseInt(computed.getPropertyCSSValue("margin-left").cssText) * s;    var bx = document.getElementById("bxMargin");    bx.setAttribute("style", (mt ? ("padding-top: " + mt + "px;") : "") +                             (mr ? ("padding-right: " + mr + "px;") : "") +                             (mb ? ("padding-bottom: " + mb + "px;") : "") +                             (ml ? ("padding-left: " + ml + "px;") : ""));        // fill out the border outline    var bt = parseInt(computed.getPropertyCSSValue("border-top-width").cssText) * s;    var br = parseInt(computed.getPropertyCSSValue("border-right-width").cssText) * s;    var bb = parseInt(computed.getPropertyCSSValue("border-bottom-width").cssText) * s;    var bl = parseInt(computed.getPropertyCSSValue("border-left-width").cssText) * s;    bx = document.getElementById("bxBorder");    bx.setAttribute("style", (bt ? ("padding-top: " + (bt-1) + "px;") : "") +                             (br ? ("padding-right: " + (br-1) + "px;") : "") +                             (bb ? ("padding-bottom: " + (bb-1) + "px;") : "") +                             (bl ? ("padding-left: " + (bl-1) + "px;") : ""));                                 // fill out the padding outline    var pt = parseInt(computed.getPropertyCSSValue("padding-top").cssText) * s;    var pr = parseInt(computed.getPropertyCSSValue("padding-right").cssText) * s;    var pb = parseInt(computed.getPropertyCSSValue("padding-bottom").cssText) * s;    var pl = parseInt(computed.getPropertyCSSValue("padding-left").cssText) * s;    var bx = document.getElementById("bxPadding");    bx.setAttribute("style", (pt ? ("padding-top: " + (pt-2) + "px;") : "") +                             (pr ? ("padding-right: " + (pr-2) + "px;") : "") +                             (pb ? ("padding-bottom: " + (pb-2) + "px;") : "") +                             (pl ? ("padding-left: " + (pl-2) + "px;") : ""));    this.mOutlinesReady = true;  },  
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/a7c48464e3280bcd1d3585d7cc0bc61c943ad5a5/boxModel.js/buggy/extensions/inspector/resources/content/viewers/boxModel/boxModel.js