Htk.Check = new Class ({ Extends: Htk.Field ,Tag: 'htk-check' ,initialize: function (props) { this.parent (props); this.createElement ('input'); this.node.type = 'checkbox'; this.node.addEventListener ('change', this.changed.bind (this)); } ,changed: function () { this.valueChanged (this.node.checked); } ,putValue: function (value) { if (value) this.node.checked = true; else this.node.checked = false; } ,setEditable: function (editable) { this.node.disabled = !editable; } });