/*
Replace with extended version on HTMLDog?

SuckerTree Horizontal Menu (Sept 14th, 06)
SuckerTree Vertical Menu 1.1 (Nov 8th, 06)
COMBINED by me!

By Dynamic Drive: http://www.dynamicdrive.com/style/
*/

//Enter id(s) of SuckerTree UL menus, separated by commas
var H_menuids = ["ctl00_ctlHeader_ctlMenu_StudentTopMenu"];

//All menus in these arrays must be loaded on the SAME page. Otherwise, if on different pages,
//  gives them the same id.
var V_menuids = ["SideMenu"];

function buildsubmenus_horizontal()
{
	for (var i = 0; i < H_menuids.length; i++)
	{
		var menuThang = document.getElementById(H_menuids[i]);
		if (!menuThang)	return;

		var ultags = menuThang.getElementsByTagName("ul");
		for (var t = 0; t < ultags.length; t++)
		{
			if (ultags[t].parentNode.parentNode.id == H_menuids[i])
			{	//this is a first level submenu -
				// dynamically position first level submenus to be height of main menu item
				ultags[t].style.top = ultags[t].parentNode.offsetHeight + "px";
				ultags[t].parentNode.getElementsByTagName("a")[0].className = "mainfoldericon";
			}
			else
			{	//else this is a sub level menu (ul) -
				// position menu to the right of menu item that activated it
				ultags[t].style.left = ultags[t-1].getElementsByTagName("a")[0].offsetWidth + "px" ;
    			ultags[t].parentNode.getElementsByTagName("a")[0].className = "subfoldericon";
			}
    
			ultags[t].parentNode.onmouseover = function()
			{
				this.getElementsByTagName("ul")[0].style.visibility = "visible";
			}
	    
			ultags[t].parentNode.onmouseout = function()
			{
				this.getElementsByTagName("ul")[0].style.visibility = "hidden";
			}
		}
	}
}

function buildsubmenus_vertical()
{
	for (var i = 0; i < V_menuids.length; i++)
	{
		var menuThang = document.getElementById(V_menuids[i]);
		if (!menuThang) return;
		
		var ultags = menuThang.getElementsByTagName("ul");
		
		for (var t = 0; t < ultags.length; t++)
		{
			ultags[t].parentNode.getElementsByTagName("a")[0].className = "subfolderstyle";
			
			//this is a first level submenu
			if (ultags[t].parentNode.parentNode.id == V_menuids[i])
				//dynamically position first level submenus to be width of main menu item
				ultags[t].style.left = ultags[t].parentNode.offsetWidth + "px";
			else //else this is a sub level submenu (ul) -
				//position menu to the right of menu item that activated it
				ultags[t].style.left = ultags[t-1].getElementsByTagName("a")[0].offsetWidth + "px";
			
			ultags[t].parentNode.onmouseover = function()
			{
				this.getElementsByTagName("ul")[0].style.display = "block";
			}
			
			ultags[t].parentNode.onmouseout = function()
			{
				this.getElementsByTagName("ul")[0].style.display = "none";
			}
		}
		
		for (var t = ultags.length - 1; t >- 1; t--)
		{ //loop through all sub menus again, and use "display:none" to hide menus (to prevent possible page scrollbars
			ultags[t].style.visibility = "visible";
			ultags[t].style.display = "none";
		}
	}
}

if (window.addEventListener)
{
	window.addEventListener("load", buildsubmenus_horizontal, false);
	window.addEventListener("load", buildsubmenus_vertical, false);
}
else if (window.attachEvent)
{
	window.attachEvent("onload", buildsubmenus_horizontal);
	window.attachEvent("onload", buildsubmenus_vertical);
}