// JavaScript Document

var stop_flag = false;
var i=11;

function change_page(page1, page2) {
	
	
	var id_1 = 'page' + page1;
	var element_1 = document.getElementById(id_1);
	
	var id_2 = 'page' + page2;
	var element_2 = document.getElementById(id_2);
	
	if (element_1 && element_2){
		element_1.style.display = 'none';
		element_2.style.display = 'block';
	}
	
//	alert (id_1);
//	alert (id_2);
}

function rotate() {
	if (stop_flag == false){
		if (i<11){
			change_page(i, i+1);
			i=i+1;
		}
		else {
			change_page(i, 1);	
			i=1;
		}
	}
}

function start () {
	setTimeout('start();',5000);
	rotate();
}

function pause (){
	
	if (stop_flag == false){
		stop_flag = true;
	}
	else {
		stop_flag = false;
	}
}