rem: return function(evt) { var columnModel = this.getTableColumnModel(); columnModel.setColumnVisible(col, !columnModel.isColumnVisible(col)); } 
add: window.setTimeout(function() { menu.show(); qx.ui.core.Widget.flushGlobalQueues();  menu.setLeft(qx.dom.DomLocation.getClientBoxRight(btElem) - menu.getOffsetWidth()); qx.ui.core.Widget.flushGlobalQueues(); }, 0); 
context:   return function(evt) {    var columnModel = this.getTableColumnModel();    columnModel.setColumnVisible(col, !columnModel.isColumnVisible(col));  }
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/3b09cde7b1a24b92ab81b5858a2db28b760cad84/Table.js/clean/qooxdoo/frontend/framework/source/class/qx/ui/table/Table.js