/************************************************************************************************
Name		- ExpanderMenu Script
Description	- Provides client-side functionalities for ExpanderMenu control.
Version		- 2.2.1
Author		- Anoop Nair.
Company		- MKCL.

# COPYRIGHT NOTICE
# Copyright (c) 2005-2010 MKCL, All rights reserved.
# This script may be used and modified free of charge for Non-profit purposes by anyone as long
# as this copyright notice and the comments above are kept in their original form.
************************************************************************************************/

if (typeof (OASIS) == 'undefined')
	alert('Dear Developer,Please add reference to "FuncLib.js"!');

OASIS.ExpanderMenu = new function()
{
	this.ProjectName = 'OASIS';
	this.SlideDelay = 5;
	this.SlidePixel = 5;
	this.DoFading = false;
	this.FrameName = '';
	var images = new function()
	{
		this.upNorm = new Image();
		this.upGlow = new Image();
		this.dnNorm = new Image();
		this.dnGlow = new Image();
		this.close = new Image();
	};

	var timerSlide = null, isLocked = null, numMenuItem = 0;
	var data = new Array(), state = new Array(), regMenus = new Array();
	data[0] = new Array();
	data[1] = new Array();
	data[2] = new Array();
	data[3] = new Array();
	data[4] = new Array();
	data[5] = new Array();
	data[6] = new Array();
	data[7] = new Array();
	data[8] = new Array();
	data[9] = new Array();
	images.upNorm.src = "../Images/ExpanderMenu_up.gif";
	images.upGlow.src = "../Images/ExpanderMenu_upgw.gif";
	images.dnNorm.src = "../Images/ExpanderMenu_down.gif";
	images.dnGlow.src = "../Images/ExpanderMenu_downgw.gif";
	//images.close.src = "../Images/ExpanderMenu_close.gif";

	this.InitializeDynamicMenu = function(MenuGroupId)
	{
		var MenuGroup = document.getElementById('MenuGroup_' + MenuGroupId);
		var Links = MenuGroup.getElementByTagName('A');
	};
	this.SetSelectedLink = function(MenuGroupId, MenuLinkId)
	{
		var MenuGroup = document.getElementById('MenuGroup_' + MenuGroupId);
		var MenuLink = MenuGroup.getElementById('MenuLink_' + MenuLinkId);
		if (MenuGroup.LinkSelected == MenuLinkId)
			return;
		OASIS.ExpanderMenu.EnableDynamicLink(MenuGroup, MenuLink);
		link.className = link.className + ' Selected';
		var oldSelected = MenuGroup.getElementById('MenuLink_' + MenuGroup.LinkSelected);
		oldSelected.className = oldSelected.className.replace(' Selected', '');
		MenuGroup.LinkSelected = MenuLinkId;
	};
	this.RegisterMenu = function(MenuId, disLinks)
	{
		regMenus[regMenus.length] = new Object();
		regMenus[regMenus.length - 1].MenuId = MenuId;
		regMenus[regMenus.length - 1].LinkDisbl = disLinks;
	};
	this.ChangeStyle = function()
	{
		var ShrinkButton = this.getElementsByTagName('img').item(0);
		if (ShrinkButton.src.EndsWith("upgw.gif"))
			ShrinkButton.src = images.upNorm.src;
		else if (ShrinkButton.src.EndsWith("up.gif"))
			ShrinkButton.src = images.upGlow.src;
		else if (ShrinkButton.src.EndsWith("downgw.gif"))
			ShrinkButton.src = images.dnNorm.src;
		else if (ShrinkButton.src.EndsWith("down.gif"))
			ShrinkButton.src = images.dnGlow.src;
		if (document.body.style.cursor == 'pointer')
			document.body.style.cursor = 'default';
		else document.body.style.cursor = 'pointer';
	};
	this.SetSlide = function()
	{
		if (isLocked)
			return;
		else
			isLocked = this.parentNode;
		for (i = 0; i < data[0].length; i++)
		{
			if (data[3][i] == this.parentNode)
			{
				if (data[5][i] == null)
					data[5][i] = setInterval("OASIS.ExpanderMenu.RunSlide(" + i + ")",
						OASIS.ExpanderMenu.SlideDelay);
				break;
			}
		}
	};
	this.RunSlide = function(menuIndex)
	{
		if (data[6][menuIndex])
		{
			if (OASIS.ExpanderMenu.DoFading)
			{
				if (data[0][menuIndex].filter)
					data[0][menuIndex].filter = "progid:DXImageTransform.Microsoft.Alpha(Opacity=" +
						(parseInt(data[0][menuIndex].filter) - (100 / (
							(data[8][menuIndex] / OASIS.ExpanderMenu.SlidePixel) + 1))) + ")";
				else if (data[0][menuIndex].filters.alpha)
					data[0][menuIndex].filters.alpha.opacity -=
						100 / ((data[8][menuIndex] / OASIS.ExpanderMenu.SlidePixel) + 1);
				else
					data[0][menuIndex].style.opacity -=
						.9 / ((data[8][menuIndex] / OASIS.ExpanderMenu.SlidePixel) + 1);
			}
			data[4][menuIndex] -= OASIS.ExpanderMenu.SlidePixel;
			if (data[4][menuIndex] > 0)
			{
				data[0][menuIndex].style.height = data[4][menuIndex] + "px";
			}
			else
			{
				if (OASIS.ExpanderMenu.DoFading)
				{
					if (data[0][menuIndex].filter)
						data[0][menuIndex].filter = "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
					else if (data[0][menuIndex].filters.alpha)
						data[0][menuIndex].filters.alpha.opacity = 0;
					else
						data[0][menuIndex].style.opacity = 0;
				}
				data[4][menuIndex] = 0;
				data[0][menuIndex].style.height = 0 + "px";
				clearInterval(data[5][menuIndex]);
				data[5][menuIndex] = null;
				data[6][menuIndex] = false;
				state[parseInt(data[9][i])] = 1;
				isLocked = null;
				UpdateCookie();
				var ImageButton = data[7][i].getElementsByTagName('img').item(0);
				if (ImageButton.src.substring(ImageButton.src.length - 6, ImageButton.src.length - 4) == "up")
					ImageButton.src = images.dnNorm.src;
				else
					ImageButton.src = images.dnGlow.src;
				return 0;
			}
			return 0;
		}
		if (!data[6][menuIndex])
		{
			if (OASIS.ExpanderMenu.DoFading)
			{
				if (data[0][menuIndex].filter)
				{
					data[0][menuIndex].filter = "progid:DXImageTransform.Microsoft.Alpha(Opacity="
						+ (parseInt(data[0][menuIndex].filter)
						+ (100 / ((data[8][menuIndex] / OASIS.ExpanderMenu.SlidePixel) + 1))) + ")";
				}
				else if (data[0][menuIndex].filters.alpha)
				{
					data[0][menuIndex].filters.alpha.opacity +=
						100 / ((data[8][menuIndex] / OASIS.ExpanderMenu.SlidePixel) + 1);
				}
				else
				{
					opcVal = parseFloat(data[0][menuIndex].style.opacity);
					opcVal += .9 / (data[8][menuIndex] / OASIS.ExpanderMenu.SlidePixel);
					data[0][menuIndex].style.opacity = opcVal;
				}
			}
			data[4][menuIndex] += OASIS.ExpanderMenu.SlidePixel;
			if (data[4][menuIndex] < data[8][menuIndex])
			{
				data[0][menuIndex].style.height = data[4][menuIndex] + "px";
			}
			else
			{
				if (OASIS.ExpanderMenu.DoFading)
				{
					if (data[0][menuIndex].filter)
						data[0][menuIndex].filter = "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
					else if (data[0][menuIndex].filters.alpha)
						data[0][menuIndex].filters.alpha.opacity = 100;
					else
						data[0][menuIndex].style.opacity = 1;
				}
				data[4][menuIndex] = data[8][menuIndex];
				data[0][menuIndex].style.height = data[8][menuIndex] + "px";
				clearInterval(data[5][menuIndex]);
				data[5][menuIndex] = null;
				data[6][menuIndex] = true;
				state[parseInt(data[9][i])] = 0;
				isLocked = null;
				UpdateCookie();
				var ImageButton = data[7][i].getElementsByTagName('img').item(0);
				if (ImageButton.src.substring(ImageButton.src.length - 6, ImageButton.src.length - 4) == "wn")
					ImageButton.src = images.upNorm.src;
				else
					ImageButton.src = images.upGlow.src;
				return 0;
			}
			return 0;
		}
	};
	this.InitAllMenus = function()
	{
		for (var i = 0; i < regMenus.length; i++)
		{
			var disLinks = regMenus[i].LinkDisbl;
			var allLinks = document.getElementById(regMenus[i].MenuId).getElementsByTagName('A');
			for (var j = 0; j < disLinks.length; j++)
			{
				for (var k = 0; k < allLinks.length; k++)
				{
					if (allLinks[k].parentNode.id.substring(9) == disLinks[j][0])
					{
						if (disLinks[j][1] == 2)
							DisableLink(allLinks[k].parentNode);
						else if (disLinks[j][1] == 3)
							HideLink(allLinks[k].parentNode);
					}
				}
			}
			var allMenus = document.getElementById(regMenus[i].MenuId).childNodes;
			for (var j = 0; j < disLinks.length; j++)
			{
				for (var k = 0; k < allMenus.length; k++)
				{
					if (allMenus[k].nodeName == 'DIV' && allMenus[k].id.substring(10) == disLinks[j][0])
					{
						if (disLinks[j][1] == 0)
							DisableGroup(allMenus[k]);
						else if (disLinks[j][1] == 1)
							HideGroup(allMenus[k]);
					}
				}
			}
			if (OASIS.TopMenu.SelectedMenus)
			{
				var hideThis = true;
				for (var k = 0; k < allMenus.length; k++)
				{
					if (allMenus[k].nodeName != 'DIV')
						continue;
					hideThis = true;
					for (var j = 0; j < OASIS.TopMenu.SelectedMenus.length; j++)
					{
						if (allMenus[k].id.substring(10) == OASIS.TopMenu.SelectedMenus[j])
						{
							hideThis = false;
							break;
						}
					}
					if (hideThis)
						HideGroup(allMenus[k]);
				}
			}
			InitMenuCollection(regMenus[i].MenuId);
		}
	};

	function EnableLink(MenuLink, DynamicLink)
	{
		if (typeof (MenuLink.LinkEnabled) != 'undefined' && MenuLink.LinkEnabled)
			return;
		var anchor = MenuLink.getElementsByTagName('A')[0];
		if (typeof (DynamicLink) == 'undefined' || !DynamicLink)
			anchor.href = anchor.link;
		else
			anchor.href = 'javascript:OASIS.ExpanderMenu.LoadLink(this.link);';
		MenuLink.className = MenuLink.className.replace(' Disabled', '');
		MenuLink.LinkEnabled = true;
	}
	function DisableLink(MenuLink)
	{
		if (typeof (MenuLink.LinkEnabled) != 'undefined' && !MenuLink.LinkEnabled)
			return;
		MenuLink.getElementsByTagName('A')[0].href = 'javascript:void(0);';
		MenuLink.className = MenuLink.className + ' Disabled';
		MenuLink.LinkEnabled = false;
	}
	function EnableGroup(MenuGroup)
	{
		if (typeof (MenuGroup.GroupEnabled) != 'undefined' && MenuGroup.GroupEnabled)
			return;
		var anchor = MenuLink.getElementsByTagName('A')[0];
		if (typeof (DynamicLink) == 'undefined' || !DynamicLink)
			anchor.href = anchor.link;
		else
			anchor.href = 'javascript:OASIS.ExpanderMenu.LoadLink(this.link);';
		MenuGroup.className = MenuLink.className.replace(' Disabled', '');
		MenuGroup.GroupEnabled = true;
	}
	function DisableGroup(MenuGroup)
	{
		var links = MenuGroup.getElementsByTagName('DIV')[1].childNodes[0].childNodes;
		for (var i = 0; i < links.length; i++)
			if (links[i].nodeName == 'DIV')
			DisableLink(links[i]);
	}
	function HideLink(MenuLink)
	{
		if (typeof (MenuLink.LinkVisible) != 'undefined' && !MenuLink.LinkVisible)
			return;
		//MenuLink.getElementsByTagName('A')[0].href = 'javascript:void(0);';
		//MenuLink.className = MenuLink.className + ' Disabled';
		MenuLink.style.display = 'none';
		MenuLink.LinkVisible = false;
	}
	function HideGroup(MenuGroup)
	{
		if (typeof (MenuGroup.GroupVisible) != 'undefined' && !MenuGroup.GroupVisible)
			return;
		MenuGroup.style.display = 'none';
		MenuGroup.nextSibling.style.display = 'none';
		MenuGroup.GroupVisible = false;
	}
	function LoadLink(LinkUrl)
	{
		frames[OASIS.ExpanderMenu.FrameName].src = LinkUrl;
	}
	function InitMenuCollection(MenuId)
	{
		var divs = document.getElementById(MenuId).getElementsByTagName("DIV");
		GetCookie();
		for (dn = 0; dn < divs.length; dn++)
		{
			if (String(divs.item(dn).parentNode.className).substring(0, 6) == "Style2")
				continue;
			if (String(divs.item(dn).className).substring(0, 8) == "MenuHead")
			{
				mainMenuDiv = divs.item(dn).parentNode;
				menuContainerDiv = mainMenuDiv.getElementsByTagName("DIV").item(1);
				itemContainerDiv = menuContainerDiv.getElementsByTagName("DIV").item(0);
				if (OASIS.ExpanderMenu.DoFading)
				{
					if (menuContainerDiv.filter)
						menuContainerDiv.filter = "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
					else if (menuContainerDiv.filters.alpha)
						menuContainerDiv.filters.alpha.opacity = 100;
					else
						menuContainerDiv.opacity = 1;
				}
				InitSingleMenu(divs.item(dn));
			}
		}
	}
	function InitSingleMenu(objDiv)
	{
		if (isLocked)
			return;
		var mainMenuDiv, MenuHeadDiv, LinkCntrDiv, LinkBoxDiv, styleRules;
		for (r = 0; r < document.styleSheets.length; r++)
		{
			if (-1 != String(document.styleSheets[r].href).indexOf("ExpanderMenu.css"))
				break;
		}
		if (!document.styleSheets[r].rules)
			styleRules = document.styleSheets[r].cssRules;
		else
			styleRules = document.styleSheets[r].rules;
		numMenuItem = 0;
		mainMenuDiv = objDiv.parentNode;
		MenuHeadDiv = mainMenuDiv.getElementsByTagName("DIV").item(0);
		LinkCntrDiv = mainMenuDiv.getElementsByTagName("DIV").item(1);
		LinkBoxDiv = LinkCntrDiv.getElementsByTagName("DIV").item(0);
		aLen = data[0].length;
		for (i = 0; i < aLen; i++)
		{
			if (data[0][i] == LinkCntrDiv)
				break;
		}
		if (i == aLen)
		{
			data[0][i] = LinkCntrDiv;
			data[1][i] = LinkBoxDiv;
			data[7][i] = MenuHeadDiv;
			data[9][i] = mainMenuDiv.id.substring(10);
			data[7][i].onmouseover = OASIS.ExpanderMenu.ChangeStyle;
			data[7][i].onmouseout = OASIS.ExpanderMenu.ChangeStyle;
			MenuHeadDiv.onclick = OASIS.ExpanderMenu.SetSlide;
			lastmenuNum = -1;
			for (b = 0; b < LinkBoxDiv.childNodes.length; b++)
			{
				if (LinkBoxDiv.childNodes.item(b).tagName == "DIV")
				{
					numMenuItem++;
					lastmenuNum = b;
				}
			}
			data[2][i] = numMenuItem;
			data[3][i] = mainMenuDiv;
			data[4][i] = data[1][i].parentNode.offsetHeight;
			data[0][i].style.height = data[1][i].parentNode.offsetHeight + "px";
			data[6][i] = true;
			data[8][i] = data[1][i].parentNode.offsetHeight;
			if (OASIS.ExpanderMenu.DoFading)
			{
				if (data[0][i].filter)
					data[0][i].filter = "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
				else if (data[0][i].filters.alpha)
					data[0][i].filters.alpha.opacity = 100;
				else
					data[0][i].style.opacity = 1;
			}
			if (state[parseInt(data[9][i])] == 1)
			{
				data[7][i].getElementsByTagName('img').item(0).src = images.dnNorm.src;
				data[4][i] = 0;
				data[0][i].style.height = 0 + "px";
				data[6][i] = false;
				if (OASIS.ExpanderMenu.DoFading)
				{
					if (data[0][i].filter)
						data[0][i].filter = "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
					else if (data[0][i].filters.alpha)
						data[0][i].filters.alpha.opacity = 0;
					else
						data[0][i].style.opacity = .0;
				}
			}
		}
		mainMenuDiv = null;
		MenuHeadDiv = null;
		LinkCntrDiv = null;
		LinkBoxDiv = null;
	}
	function UpdateCookie()
	{
		var strName = OASIS.ExpanderMenu.ProjectName + "_ExpanderMenu";
		date = new Date();
		date.setTime(date.getTime() + (1000 * 60 * 60 * 24 * 30));
		document.cookie = strName + "=" + escape(state.toString()) + ";expires=" + date.toGMTString()
			+ ";path=/";
	}
	function GetCookie()
	{
		state = "";
		var strName = OASIS.ExpanderMenu.ProjectName + "_ExpanderMenu";
		var cookieList = document.cookie.split(";");
		for (i = 0; i < cookieList.length; i++)
		{
			pair = cookieList[i].split("=");
			if (pair[0] == strName)
			{
				state = unescape(pair[1]).split(",");
				break;
			}
		}
	}
};

OASIS.FuncLib.AddLoadEvent(OASIS.ExpanderMenu.InitAllMenus);

OASIS.TopMenu = new function()
{
	this.SelectedMenus = null;
	this.RegisterMenu = function(MenuId)
	{
		var menu = document.getElementById(MenuId);
	}
	this.SetSelected = function(TopMenuId)
	{
		var menuGrp = document.getElementById('TopMenuLink_' + TopMenuId);
		menuGrp.parentNode.className += ' Selected';
		menuGrp.href = '#';
		OASIS.TopMenu.SelectedMenus = (typeof(menuGrp.leftmenus) == 'undefined' ?
			menuGrp.getAttribute('leftmenus').split(',') : menuGrp.leftmenus.split(','));
	};
};