rem: this.instances.each(function(current, j){ this.checker[type][j] = false; }, this); 
add: this.checker[type] = {}; 
context: 	check: function(type, instance, i){		this.checker[type][i] = true;		var every = this.instances.every(function(current, j){			return this.checker[type][j] || false;		}, this);		if (!every) return;		this.instances.each(function(current, j){			this.checker[type][j] = false;		}, this);		this.events[type].each(function(event){			event.call(this, this.instances, instance);		}, this);	}
meta: 9980	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9980/c3afe225d134900748b916297f38ca9b041ad610/Group.js/buggy/Plugins/Group.js