ApplicationState = function(id){
				this.id = id;
				
			}

			ApplicationState.prototype.back = function(){
				alert(backMSG);
				
				Add();
			}

			ApplicationState.prototype.forward = function(){
				alert(fwdMSG); 
			}

		function Add()
		{
			addHistory();
			setTimeout("addHistory()", 20);
		}
function addHistory()
{		 
	 var appState = new ApplicationState(Math.random());
	 dojo.back.addToHistory(appState);
}