/**
 * @author max
 */
window.addEvent('load',domReady);

//

var i_counter = 0;

function domReady()
{
	addEvents();
	switchImage();
}

function addEvents()
{
	var image1 = $('sub1_img');
	var image2= $('sub2_img');
	var image3= $('sub3_img');
	
	image1.addEvent('click',function(){
		$('main_img').set('src', getNewImageName(image1.src));
	});
	image2.addEvent('click',function(){
		$('main_img').set('src', getNewImageName(image2.src));
	});
	image3.addEvent('click',function(){
		$('main_img').set('src', getNewImageName(image3.src));
	});
}

function getNewImageName(location)
{
	var s_newLocation = null
	var s_tmp = location.lastIndexOf('_');
	s_newLocation = location.substring(0,s_tmp) + '.jpg';
	
	return s_newLocation;
}

//var i_counter = 0;
	
function switchImage()
{
	var image1 = $('sub1_img');
	var image2= $('sub2_img');
	var image3= $('sub3_img');
	
	i_counter++;
	
	if(i_counter == 1)
	{
		$('main_img').set('src', getNewImageName(image1.src));	
	}
	else if(i_counter == 2)
	{
		$('main_img').set('src', getNewImageName(image2.src));	
	}
	else
	{
		$('main_img').set('src', getNewImageName(image3.src));
		i_counter = 0;	
	}
	var timer = setTimeout(switchImage,5000);
}