function something()
	{
		var x = window.localStorage.getItem('bbb'); // ravnosilno x = hh['bbb']

		x = x * 1 + 1; // x = x + 1  // x * 1 preobrazovivaet tip string v int

		window.localStorage.setItem('bbb', x); // hh['bbb'] = x

		alert(x);
		
	}

function add_to_cart(id)
{
	var key = 'product_' + id;

	var  x = window.localStorage.getItem(key);
	x = x * 1 + 1;
	window.localStorage.setItem(key, x);

	update_orders_input();
	update_orders_button();
}

function update_orders_input()
{
	var orders = cart_get_orders();
	$('#orders_input').val(orders);
}

function update_orders_button()
{
	var text = 'Cart (' + cart_get_number_of_items() + ')';
	$('#orders_button').val(text);
} 

function cart_get_number_of_items()
{

	var cnt = 0;

	for(var i = 0; i < window.localStorage.length; i++)
	{
		var key = window.localStorage.key(i); //poluchaem kluch
		var value = window.localStorage.getItem(key); //poluchaem znachenie

		if (key.indexOf('product_') == 0)
		{
			cnt = cnt + value * 1;
		}
	}

	return cnt;
}

function cart_get_orders()
{

	var orders = '';

	for(var i = 0; i < window.localStorage.length; i++)
	{
		var key = window.localStorage.key(i); //poluchaem kluch
		var value = window.localStorage.getItem(key); //poluchaem znachenie

		if (key.indexOf('product_') == 0)
		{
			orders = orders + key + '=' + value + ',';
		}
	}

	return orders;
}

function cansel_order()
{
	alert('aaa'); 
	return false;
}
function something()
	{
		var x = window.localStorage.getItem('bbb'); // ravnosilno x = hh['bbb']

		x = x * 1 + 1; // x = x + 1  // x * 1 preobrazovivaet tip string v int

		window.localStorage.setItem('bbb', x); // hh['bbb'] = x

		alert(x);
		
	}

function add_to_cart(id)
{
	var key = 'product_' + id;

	var  x = window.localStorage.getItem(key);
	x = x * 1 + 1;
	window.localStorage.setItem(key, x);

	update_orders_input();
	update_orders_button();
}

function update_orders_input()
{
	var orders = cart_get_orders();
	$('#orders_input').val(orders);
}

function update_orders_button()
{
	var text = 'Cart (' + cart_get_number_of_items() + ')';
	$('#orders_button').val(text);
} 

function cart_get_number_of_items()
{

	var cnt = 0;

	for(var i = 0; i < window.localStorage.length; i++)
	{
		var key = window.localStorage.key(i); //poluchaem kluch
		var value = window.localStorage.getItem(key); //poluchaem znachenie

		if (key.indexOf('product_') == 0)
		{
			cnt = cnt + value * 1;
		}
	}

	return cnt;
}

function cart_get_orders()
{

	var orders = '';

	for(var i = 0; i < window.localStorage.length; i++)
	{
		var key = window.localStorage.key(i); //poluchaem kluch
		var value = window.localStorage.getItem(key); //poluchaem znachenie

		if (key.indexOf('product_') == 0)
		{
			orders = orders + key + '=' + value + ',';
		}
	}

	return orders;
}

function cansel_order()
{
	window.localStorage.clear(); 
	update_orders_input();
	update_orders_button();
	return false;

}
clear localStorage on cansel