rem: this.setItemClassName(vItem, vIsState ? c.add(n, " ") : c.remove(n, " ")); 
add: this.setItemClassName(vItem, vIsState ? qx.lang.String.add(c, n, " ") : qx.lang.String.remove(c, n, " ")); 
context: proto._updateState = function(vItem, vState, vIsState){  var c = this.getItemClassName(vItem);  var n = this.getItemBaseClassName(vItem) + "-" + vState;  this.setItemClassName(vItem, vIsState ? c.add(n, " ") : c.remove(n, " "));};
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/43bb8a2d1e2723941e77b812d2052457453de4a1/DomSelectionManager.js/clean/qooxdoo/source/script/managers/selection/DomSelectionManager.js