var leftmenu_opened = 0;

function OpenMenu(id)
{
	CloseMenu();
	
	getE("leftmenu_main_" + id).style.display = "block";
	getE("leftmenu_arrow_down_" + id).style.display = "none";
	leftmenu_opened = id;
}

function CloseMenu()
{
	if (leftmenu_opened > 0)
	{
		getE("leftmenu_main_" + leftmenu_opened).style.display = "none";
		getE("leftmenu_arrow_down_" + leftmenu_opened).style.display = "block";
		leftmenu_opened = 0;
	}
}