$(document).ready(function()
{
	countElement 	= $('#reduct_list li.reduct_element').length;
	actu			= 1;
	
	
	
	goTo(actu);
	
	$('#reduct_left img').click(function()
	{
		actu = goTo(actu -2, countElement);
	});
	$('#reduct_right img').click(function()
	{
		actu = goTo(actu -(-2), countElement);
	});
	
	function goTo(actu, countElement)
	{
		if(actu<1)
			actu = 1;
		if(actu > countElement-1)
			actu = countElement-1;
		
		var marge = -((actu-1)*320);
		
		$('#reduct_list').animate({marginLeft: marge+"px"},500);
		
		if(actu==1)
			$('#reduct_left img').hide(100);
		else
			$('#reduct_left img').show(100);
		
		if(actu==countElement-1)
			$('#reduct_right img').hide(100);
		else
			$('#reduct_right img').show(100);
		
		return actu;
	}
	
});