rem: EchoApp.Component.call(this, "CheckBox", renderId); 
add: EchoApp.Component.call(this,  renderId); this.componentType = "CheckBox"; 
context: EchoApp.CheckBox = function(renderId) {    EchoApp.Component.call(this, "CheckBox", renderId);};
meta: 600	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/600/1e16e00de835fa788ccb1ee8a45c6cec7e035b46/Application.js/buggy/src/webcontainer/java/nextapp/echo/webcontainer/resource/js/Application.js