ASPxClientCheckBox = _aspxCreateClass(ASPxClientEdit, {
    constructor: function(name) {
        this.constructor.prototype.constructor.call(this, name);
        this.stateInput = null;

        this.valueChecked = true;
        this.valueUnchecked = false;
        this.CheckedChanged = new ASPxClientEvent();
    },
    Initialize: function() {
        ASPxClientEdit.prototype.Initialize.call(this);
        this.previousChecked = this.GetInputElement().checked;
    },
        
    FindInputElement: function() {
        var element = this.GetMainElement();
        if(_aspxIsExistsElement(element) && element.tagName != "INPUT")
            element = this.GetChild("_I");
        return element;
    },
    GetStateInput: function() {
        if(!_aspxIsExistsElement(this.stateInput))
            this.stateInput = this.GetChild("_S");
        return this.stateInput;
    },
    RaiseValueChangedEvent: function() {
        var processOnServer = ASPxClientEdit.prototype.RaiseValueChangedEvent.call(this);
        processOnServer = this.RaiseCheckedChanged(processOnServer);
        return processOnServer;
    },    
    OnClick: function() {
        var value = this.previousChecked ? this.valueUnchecked : this.valueChecked;        
        this.SetValue(value);
        this.OnValueChanged();
    },    
    // value
    GetValue: function() {
        var value;
        switch(this.GetStateInput().value) {
            case "N":
                return null;
            case "C":
                value = this.valueChecked; break;
            case "U":
                value = this.valueUnchecked; break;                            
        }
        if(value === "" && this.convertEmptyStringToNull)
            value = null;                    
        return value;
    },        
    SetValue: function(value) {
        // hidden field
        var stateInput = this.GetStateInput();        
        if(value == null)
            stateInput.value = "N";
        else
            stateInput.value = value == this.valueChecked ? "C" : "U";        
        // presentation
        this.GetInputElement().checked = this.previousChecked = value == this.valueChecked;
        
        this.OnValueSet();
    },
    OnValueSet: function() {
        
    },
    // API
    RaiseCheckedChanged: function(processOnServer) {
        if(!this.CheckedChanged.IsEmpty()) {
            var args = new ASPxClientProcessingModeEventArgs(processOnServer);
            this.CheckedChanged.FireEvent(this, args);
            processOnServer = args.processOnServer;
        }
        return processOnServer;
    },
    GetChecked: function() {
        return this.GetValue() == this.valueChecked;
    },
    SetChecked: function(isChecked) {
        this.SetValue(isChecked ? this.valueChecked : this.valueUnchecked);
    },
    GetText: function() {
        var labelElement = _aspxGetChildByTagName(this.GetMainElement(), "LABEL", 0);
        return (labelElement != null) ? labelElement.innerHTML : "";
    },
    SetText: function(text) {
        var labelElement = _aspxGetChildByTagName(this.GetMainElement(), "LABEL", 0);
        if(labelElement != null) 
            _aspxSetInnerHtml(labelElement, text);
    },
    
    ChangeEnabledAttributes: function(enabled){
        this.ChangeInputEnabledAttributes(this.GetInputElement(), _aspxChangeAttributesMethod(enabled));
        this.GetInputElement().disabled = !enabled;
    },
    ChangeEnabledStateItems: function(enabled){
        aspxGetStateController().SetElementEnabled(this.GetMainElement(), enabled);
    },
	ChangeInputEnabledAttributes: function(element, method){
        method(element, "onclick");
	}
});
ASPxClientRadioButton = _aspxCreateClass(ASPxClientCheckBox, {
    constructor: function(name) {
        this.constructor.prototype.constructor.call(this, name);

        this.isASPxClientRadioButton = true;
    },
    OnValueSet: function() {
        if(this.GetInputElement().checked)
            this.UncheckOtherGroupMemebers(true /* suppressEvents */);
    },
    OnClick: function() {
        if(!this.previousChecked) {
            this.UncheckOtherGroupMemebers();
            ASPxClientCheckBox.prototype.OnClick.call(this);
        }
    },
    UncheckOtherGroupMemebers: function(suppressEvents) {
        var members = this.GetGroupMembers();
        for(var i = 0; i < members.length; i++) {
            var radioButton = members[i];
            if(radioButton != this && radioButton.GetValue()){
                radioButton.SetValue(false);
                if(!suppressEvents)
                    radioButton.RaiseValueChangedEvent();
            }
        }
    },
    OnReadonlyClick: function() {
        if(!this.previousChecked) {            
            var members = this.GetGroupMembers();            
            for(var i = 0; i < members.length; i++) {
                var radioButton = members[i];
                radioButton.SetValue(radioButton.GetValue());
            }
        }
    },    
    GetGroupName: function() {
        var inputElement = this.GetInputElement();
        if (!_aspxIsExistsElement(inputElement))
            return null;
        var name = inputElement.name;
        if(!name.length)
            name = "";
        return name;
    },
    GetGroupMembers: function() {
        var result = [ ];
        var groupName = this.GetGroupName();
        if(groupName.length > 0) {
            var collection = aspxGetControlCollection();
            var control;
            for(var i in collection.elements) {
                control = collection.elements[i];
                if(ASPxIdent.IsASPxClientRadioButton(control)) {
                    var controlGroupName = control.GetGroupName();
                    if (controlGroupName != null && controlGroupName == groupName)
                        result.push(control);
                }
            }
        } else {
            result.push(this);
        }
        return result;        
    },
    // API
    GetChecked: function() {
        return this.GetValue() == true;
    },
    SetChecked: function(isChecked) {
        this.SetValue(isChecked);
    }    
});

ASPxIdent.IsASPxClientRadioButton = function(obj) {
    return _aspxIsExists(obj.isASPxClientRadioButton) && obj.isASPxClientRadioButton;
};

function aspxChkOnClick(name) {
    var edit = aspxGetControlCollection().Get(name);
    if(_aspxIsExists(edit))
        edit.OnClick();
}
function aspxERBOnReadonlyClick(name) {
    var rb = aspxGetControlCollection().Get(name);
    if(_aspxIsExists(rb))
        rb.OnReadonlyClick();
}