function setmainout()
{
	document.getElementById("n1").style.backgroundImage = "url()"
	document.getElementById("n1a").style.color = '#DCE652'
}

function setmainin()
{
	document.getElementById("n1").style.backgroundImage = "url(images/mainnavi/highlight_green.jpg)"
	document.getElementById("n1a").style.color = '#3A4552'
}

function setsubout()
{
	document.getElementById("s1").style.backgroundColor = ''
	document.getElementById("s1a").style.color = '#DCE662'
}

function setsubin()
{
	document.getElementById("s1").style.backgroundColor = '#40759C'
	document.getElementById("s1a").style.color = '#DCE662'
}

var tabdropdown={
	disappeardelay: 200,
	disablemenuclick: false,
	enableiframeshim: 1,

	dropmenuobj: null,
	ie: document.all,
	firefox: document.getElementById && !document.all,
	previousmenuitem:null,
	currentpageurl: window.location.href.replace("http://" + window.location.hostname, "").replace(/^\//, ""),

	getposoffset:function(what, offsettype)
	{
		var totaloffset = (offsettype == "left") ? what.offsetLeft : what.offsetTop;
		var parentEl = what.offsetParent;
		while (parentEl != null)
		{
			totaloffset = (offsettype == "left") ? totaloffset + parentEl.offsetLeft : totaloffset+parentEl.offsetTop;
			parentEl = parentEl.offsetParent;
		}
		return totaloffset;
	},

	showhide:function(obj, e, obj2)
	{
		if (this.ie || this.firefox)
			this.dropmenuobj.style.left = this.dropmenuobj.style.top = "-500px"
		if (e.type == "click" && obj.visibility == hidden || e.type == "mouseover")
		{
			if (obj2.parentNode.className.indexOf("default") == -1)
				obj2.parentNode.className = "selected"
			obj.visibility = "visible"
		}
		else if (e.type == "click")
			obj.visibility = "hidden"
	},

	iecompattest:function()
	{
		return (document.compatMode && document.compatMode != "BackCompat") ? document.documentElement : document.body
	},

	clearbrowseredge:function(obj, whichedge)
	{
		var edgeoffset = 0
		if (whichedge == "rightedge")
		{
			var windowedge = this.ie && !window.opera ? this.standardbody.scrollLeft + this.standardbody.clientWidth - 15 : window.pageXOffset + window.innerWidth - 15
			this.dropmenuobj.contentmeasure = this.dropmenuobj.offsetWidth
			if (windowedge - this.dropmenuobj.x < this.dropmenuobj.contentmeasure)
				edgeoffset = this.dropmenuobj.contentmeasure - obj.offsetWidth
		}
		else{
			var topedge = this.ie && !window.opera ? this.standardbody.scrollTop : window.pageYOffset
			var windowedge = this.ie && !window.opera ? this.standardbody.scrollTop+this.standardbody.clientHeight - 15 : window.pageYOffset+window.innerHeight - 18
			this.dropmenuobj.contentmeasure = this.dropmenuobj.offsetHeight
			if (windowedge - this.dropmenuobj.y < this.dropmenuobj.contentmeasure)
			{
				edgeoffset = this.dropmenuobj.contentmeasure + obj.offsetHeight
				if ((this.dropmenuobj.y - topedge) < this.dropmenuobj.contentmeasure)
					edgeoffset = this.dropmenuobj.y+obj.offsetHeight-topedge
			}
			this.dropmenuobj.firstlink.style.borderTopWidth = (edgeoffset == 0)? 0 : "1px"
		}
		return edgeoffset
	},

	dropit:function(obj, e, dropmenuID){
		if (this.dropmenuobj != null)
		{
			this.dropmenuobj.style.visibility = "hidden"
			if (this.previousmenuitem != null && this.previousmenuitem != obj)
			{
				if (this.previousmenuitem.parentNode.className.indexOf("default") == -1)
					this.previousmenuitem.parentNode.className = ""
			}
		}
		this.clearhidemenu()
		if (this.ie || this.firefox)
		{
			obj.onmouseout = function(){tabdropdown.delayhidemenu(obj)}
			obj.onclick = function(){return !tabdropdown.disablemenuclick}
			this.dropmenuobj = document.getElementById(dropmenuID)
			this.dropmenuobj.onmouseover = function(){tabdropdown.clearhidemenu()}
			this.dropmenuobj.onmouseout = function(e){tabdropdown.dynamichide(e, obj)}
			this.dropmenuobj.onclick = function(){tabdropdown.delayhidemenu(obj)}
			this.showhide(this.dropmenuobj.style, e, obj)
			this.dropmenuobj.x = this.getposoffset(obj, "left")
			this.dropmenuobj.y = this.getposoffset(obj, "top")
			this.dropmenuobj.style.left = this.dropmenuobj.x-this.clearbrowseredge(obj, "rightedge") + "px"
			this.dropmenuobj.style.top = this.dropmenuobj.y-this.clearbrowseredge(obj, "bottomedge") + obj.offsetHeight + 1 + "px"
			this.previousmenuitem = obj
			this.positionshim()
		}
	},

	contains_firefox:function(a, b)
	{
		while (b.parentNode)
		if ((b = b.parentNode) == a)
			return true;
		return false;
	},

	dynamichide:function(e, obj2)
	{
		var evtobj = window.event ? window.event : e
		if (this.ie && !this.dropmenuobj.contains(evtobj.toElement))
			this.delayhidemenu(obj2)
		else if (this.firefox && e.currentTarget != evtobj.relatedTarget && !this.contains_firefox(evtobj.currentTarget, evtobj.relatedTarget))
			this.delayhidemenu(obj2)
	},

	delayhidemenu:function(obj2){
		this.delayhide = setTimeout(function(){tabdropdown.dropmenuobj.style.visibility = 'hidden'; if (obj2.parentNode.className.indexOf('default') == -1) obj2.parentNode.className = ''},this.disappeardelay)
	},

	clearhidemenu:function()
	{
		if (this.delayhide != "undefined")
			clearTimeout(this.delayhide)
	},

	positionshim:function()
	{
		if (this.enableiframeshim && typeof this.shimobject != "undefined")
		{
			if (this.dropmenuobj.style.visibility == "visible")
			{
				this.shimobject.style.width = this.dropmenuobj.offsetWidth + "px"
				this.shimobject.style.height = this.dropmenuobj.offsetHeight + "px"
				this.shimobject.style.left = this.dropmenuobj.style.left
				this.shimobject.style.top = this.dropmenuobj.style.top
			}
			this.shimobject.style.display = (this.dropmenuobj.style.visibility == "visible") ? "block" : "none"
		}
	},

	hideshim:function()
	{
		if (this.enableiframeshim && typeof this.shimobject != "undefined")
			this.shimobject.style.display = 'none'
	},

isSelected:function(menuurl)
{
	var menuurl = menuurl.replace("http://" + menuurl.hostname, "").replace(/^\//, "")
	return (tabdropdown.currentpageurl == menuurl)
},

	init:function(menuid, dselected)
	{
		this.standardbody = (document.compatMode == "CSS1Compat") ? document.documentElement : document.body
		var menuitems = document.getElementById(menuid).getElementsByTagName("a")
		for (var i = 0; i < menuitems.length; i++)
		{
			if (menuitems[i].getAttribute("rel"))
			{
				var relvalue = menuitems[i].getAttribute("rel")
				document.getElementById(relvalue).firstlink = document.getElementById(relvalue).getElementsByTagName("a")[0]
				menuitems[i].onmouseover = function(e)
				{
					var event = typeof e != "undefined" ? e : window.event
					tabdropdown.dropit(this, event, this.getAttribute("rel"))
				}
			}
			if (dselected == "auto" && typeof setalready == "undefined" && this.isSelected(menuitems[i].href))
			{
				menuitems[i].parentNode.className += " selected default"
				var setalready = true
			}
			else if (parseInt(dselected) == i)
				menuitems[i].parentNode.className += " selected default"
		}
	}
}