var opened_tranz
opened_tranz="";
function open_tranz(tranz_id)
{
	if(opened_tranz!="")
	{
		document.getElementById("tranz_table_"+opened_tranz).style.display="none";
		document.getElementById("tranz_but_"+opened_tranz).src="/images/avtomir/tranz_but_right.gif";
	}
	if (opened_tranz==tranz_id)
	{
		opened_tranz="";
		document.getElementById("tranz_table_"+tranz_id).style.display="none";
		document.getElementById("tranz_but_"+tranz_id).src="/images/avtomir/tranz_but_right.gif";		
	}
	else
	{		
		opened_tranz=tranz_id;
		document.getElementById("tranz_table_"+tranz_id).style.display="block";
		document.getElementById("tranz_but_"+tranz_id).src="/images/avtomir/tranz_but_down.gif";
	}
}