var SelTab = 1, SelPage = 1;
var PageCount = Array(0);

window.onload = function() { Init(); }
function Init()
{
	if ($("tabcont_1"))
	{
		var hr = document.location.href;
		if (hr.indexOf("?p=") > -1)
		{
			var pgnum = parseInt(hr.substring(hr.indexOf("?p=")+3));
			TabSel(pgnum);
		}
		else
			TabSel(1);
	}
	else if (PageCount.length > 0)
		PageSel(1);
}

var lastimload = "";
function PopImg(obj)
{
	var objsrc = obj.src;
	var left = objsrc.substring(0,objsrc.indexOf(".jpg")).replace("_over","");

	lastimload = left+"L.jpg";
	window.open("popup.html","_blank","width=694, height=559, menubar=no, resizable=no, scrollbars=no, status=no, toolbar=no");
}

function TabSel(num)
{
	for (var i=0; i<10; i++)
	{
		if ($("tabmenu_"+i))
			$("tabmenu_"+i).className = "tabitem";

		if ($("tabcont_"+i))
			$("tabcont_"+i).style.display = "none";
	}

	if ($("tabmenu_"+num)) $("tabmenu_"+num).className = "tabitem sel";
	if ($("tabcont_"+num)) $("tabcont_"+num).style.display = "block";

	SelTab = num;
	if (PageCount.length > 0)
		PageSel(1);
}

function PageSel(num)
{
	for (var i=1; i<=PageCount[SelTab-1]; i++)
	{
		var el = $("contpage_"+SelTab+"_"+i);
		if (el)
		{
			el.style.display = "none";
		}
	}
	$("contpage_"+SelTab+"_"+num).style.display = "block";
	SelPage = num;
	DrawTurner();
}

function DrawTurner()
{
	if (!$("pageturner"))
		return;

	if (PageCount[SelTab-1] > 1)
	{
		$("pageturner").style.display = "block";

		var MaxPg = PageCount[SelTab-1];
		$("turner_text").innerHTML = "page "+SelPage+" of "+MaxPg;
		if (SelPage >= MaxPg)
		{
			$("turner_r").src = "images/pageturn_right_no.gif";
			$("turner_r").style.cursor = "";
			$("turner_r").onclick = function() { }
		}
		else
		{
			$("turner_r").src = "images/pageturn_right_act.gif";
			$("turner_r").style.cursor = "pointer";
			$("turner_r").onclick = function() { PageSel(SelPage+1); }
		}

		if (SelPage <= 1)
		{
			$("turner_l").src = "images/pageturn_left_no.gif";
			$("turner_l").style.cursor = "";
			$("turner_l").onclick = function() { }
		}
		else
		{
			$("turner_l").src = "images/pageturn_left_act.gif";
			$("turner_l").style.cursor = "pointer";
			$("turner_l").onclick = function() { PageSel(SelPage-1); }
		}
	}
	else
	{
		$("pageturner").style.display = "none";
	}
}

function TabOver(num)
{
	if ($("tabmenu_"+num).className == "tabitem sel")
		return;

	$("tabmenu_"+num).className = "tabitem over";
}

function TabOut(num)
{
	if ($("tabmenu_"+num).className == "tabitem sel")
		return;

	$("tabmenu_"+num).className = "tabitem";
}

function $(a) { return document.getElementById(a); }