context:   getColumnIndexFromX: function(aX, aThresh)  {    var colgroup = this.mColGroup;    var width = 0, cw;    var col;    var pct = aThresh/100;    for (var i = 0; i < this.columnCount; ++i) {      col = this.getColumnAt(i);      cw = col.boxObject.width;      width += cw;      if (width-(cw*pct) > aX)        return i;    }        return -1;  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/0b2dd2b2d2fd037df917e07645fa019a963332a5/inTreeTableBuilder.js/clean/extensions/inspector/resources/content/jsutil/xul/inTreeTableBuilder.js