var AjaxHistoryManager = function() {
	var currentMethodIndex = 0;
	var historyIFrame;
	var historyRegistry = [];
	
	return {
		register: function (targetMethod, targetParameters, targetScope) {
			var methodDetail = {
				method: targetMethod,
				parameters: targetParameters,
				scope: targetScope || targetMethod
			};
			historyRegistry.push(methodDetail);
			historyIFrame = historyIFrame || document.getElementById('AjaxHistoryIFrame');
			historyIFrame.src = 'AjaxHistoryLoader?OpenPage&methodIndex=' + currentMethodIndex;
			currentMethodIndex++;
			return false;
		},
		execute: function (methodIndex) {
			var methodDetail = historyRegistry[methodIndex];
			methodDetail.method.apply(methodDetail.scope, methodDetail.parameters);
		}
	}
}();