var AjaxTextBox = new Class(
{
	initialize: function(uiManager)
	{
		this.typeID = "tb";

		ui.registerViewStateHandler(this.typeID, this.collectViewState);
	},

	collectViewState: function(control)
	{
		return { "__type": "vs", "Text": control.value };
	}
});

var textBox = new AjaxTextBox();