public void UpdateMenu(){
	   if(start){
		   start = false;
		   switch(menuItem){
		   case 0:
		   			Host();
		   			break;

		   case 1:	
		            Join();
		   			break;
		   			
		   case 2:	
		   			break;

		   case 3:	menuRunning=false;
  					gameRunning=false;
			   		System.exit(0);
		   			break;
		   }
	   }
   }