function gotoPage(thepage)
{
	var page_url = document.location.search.split("&pn=");
	document.location.search = page_url[0] + "&pn=" + thepage;
}

var menu_timer = 0;
var open_menu = "";

function show_menu(menu_id)
{
	clearTimeout(menu_timer);

	if((open_menu != menu_id) && (open_menu != ""))
	{
		close_menu(open_menu);
	}

	document.getElementById(menu_id).style.visibility = "visible";
	open_menu = menu_id;
}

function hide_menu()
{
	menu_timer = setTimeout("close_menu()", 2000);
}

function close_menu()
{
	document.getElementById(open_menu).style.visibility = "hidden";
}