function show_zakaz()
{
	if (document.getElementById('zakaz_inner').style.display == 'block')
	{
		document.getElementById('zakaz_inner').style.display = 'none'; 
	}
	else
	{
		document.getElementById('zakaz_inner').style.display = 'block'; 
	}
}



function show_graf(id)
{
	for (i = 1; i <= 5; i++)
	{
		document.getElementById('gr_' + i).style.display = 'none'; 
		document.getElementById('ar_' + i).className = 'none'; 
	}
	document.getElementById('gr_' + id).style.display = 'block'; 
	document.getElementById('ar_' + id).className = 'act'; 
}