ASPxClientPanel = _aspxCreateClass(ASPxClientControl, {
    constructor: function(name) {
        this.constructor.prototype.constructor.call(this, name);
    },
    GetContentElement: function() {
        return this.GetMainElement();
    },
    GetContentHTML: function(){
        return this.GetContentHtml();
    },
    SetContentHTML: function(html){
        this.SetContentHtml(html);
    },
    GetContentHtml: function(){
        var contentElement = this.GetContentElement();
        return _aspxIsExistsElement(contentElement) ? contentElement.innerHTML : null;
    },
    SetContentHtml: function(html){
        var contentElement = this.GetContentElement();
        if (_aspxIsExistsElement(contentElement))
            contentElement.innerHTML = html;
    }
});