// this array dynamically generated in nav.php
//var menuNos = new Array(1,3,7,8,9);

function ToggleMenu(nMenu)
{
	if (nDHTML)
	{
		HideAllMenus(nMenu);

		var domSMenu = GetDOMObject('menu' + nMenu, 1);
		//domSMenu.visibility = 'visible';
		if (domSMenu.display == 'block')
			domSMenu.display = 'none';
		else
			domSMenu.display = 'block';
	}
}

function HideAllMenus(nExceptMenu)
{
	for (i=0; i<menuNos.length; i++)
	{
		if (menuNos[i] == nExceptMenu)
			continue;
		var domSMenu = GetDOMObject('menu' + menuNos[i], 1);

		// hide menu
		domSMenu.display = 'none';
	}
}

function ShowAllMenus()
{
	for (i=0; i<menuNos.length; i++)
	{
		var domSMenu = GetDOMObject('menu' + menuNos[i], 1);

		// show menu
		domSMenu.display = 'block';
	}
}

function ToggleMainMenu(sMenuId, sImageId, sImgSrc)
{
	if (nDHTML)
	{
		var domSMenu = GetDOMObject(sMenuId, 1);
		var domImage = GetDOMObject(sImageId, 0);
		//domSMenu.visibility = 'visible';
		if (domSMenu.display == 'block' || domSMenu.display == '')
		{
			domSMenu.display = 'none';
			domImage.src = 'images/btn_expand.gif';
		}
		else
		{
			domSMenu.display = 'block';
			domImage.src = 'images/btn_contract.gif';
		}
	}
}

function OpenPictureWnd(sFile)
{
	wndHT_Picture = window.open(sFile, "HT_PictureWnd", "width=640,height=480,resizable=yes,scrollbars=yes");
	wndHT_Picture.moveTo(0, 0);
}