rem: qx.Proto.release = function() { this._blockerNode.style.display = qx.constant.Core.NONE; 
add: qx.Proto.release = function() { if (this._blockerNode) { this._blockerNode.style.display = qx.constant.Core.NONE; } 
context: qx.Proto.release = function() {  this._blockerNode.style.display = qx.constant.Core.NONE;};
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/26ec017a30f6c20b666e32b537999418ac680741/Iframe.js/buggy/qooxdoo/frontend/framework/source/class/qx/ui/embed/Iframe.js