/* ---------------------------------------------
 * Stratford Rotary Hockey
 * Side navigation menu
 * Chris York
 * ---------------------------------------------
*/

var disappeardelay = 250
var enableanchorlink = 0
var hidemenu_onclick = 1
var horizontaloffset = 1
var ie5 = document.all
var ns6 = document.getElementById&&!document.all

function getposOffset(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;
}

function showhide(obj, e, visible, hidden)
{
	if (ie5||ns6)
		dropmenuobj.style.left=dropmenuobj.style.top=-500
	if (e.type=="click" && obj.visibility==hidden || e.type=="mouseover")
		obj.visibility=visible
	else if (e.type=="click")
		obj.visibility=hidden
}

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

function clearbrowseredge(obj, whichedge)
{
	var edgeoffset=0
	if (whichedge=="rightedge")
	{
		var windowedge=ie5 && !window.opera? iecompattest().scrollLeft+iecompattest().clientWidth-15 : window.pageXOffset+window.innerWidth-15
		dropmenuobj.contentmeasure=dropmenuobj.offsetWidth
		if (windowedge-dropmenuobj.x-obj.offsetWidth < dropmenuobj.contentmeasure)
			edgeoffset=dropmenuobj.contentmeasure+obj.offsetWidth+(horizontaloffset*2) //no space to the right of page? Move menu over to the left
	}
	else
	{
		var topedge=ie5 && !window.opera? iecompattest().scrollTop : window.pageYOffset
		var windowedge=ie5 && !window.opera? iecompattest().scrollTop+iecompattest().clientHeight-15 : window.pageYOffset+window.innerHeight-18
		dropmenuobj.contentmeasure=dropmenuobj.offsetHeight
		if (windowedge-dropmenuobj.y < dropmenuobj.contentmeasure)
		{ //move menu up?
			edgeoffset=dropmenuobj.contentmeasure-obj.offsetHeight
			if ((dropmenuobj.y-topedge)<dropmenuobj.contentmeasure) //up no good either? (position at top of viewable window then)
				edgeoffset=dropmenuobj.y
		}
	}
	return edgeoffset
}

function sideDropdownmenu(obj, e, dropmenuID)
{
	if (window.event)
		event.cancelBubble=true
	else if (e.stopPropagation)
		e.stopPropagation()
	if (typeof dropmenuobj!="undefined") //hide previous menu
		dropmenuobj.style.visibility="hidden"
		clearhidemenu()
	if (ie5||ns6)
	{
		obj.onmouseout=delayhidemenu
		dropmenuobj=document.getElementById(dropmenuID)
		if (hidemenu_onclick) dropmenuobj.onclick=function()
		{
			dropmenuobj.style.visibility='hidden'
		}
		dropmenuobj.onmouseover=clearhidemenu
		dropmenuobj.onmouseout=ie5? function()
		{
			dynamichide(event)
		} : function(event)
			{
				dynamichide(event)
			}
			showhide(dropmenuobj.style, e, "visible", "hidden")
			dropmenuobj.x=getposOffset(obj, "left")
			dropmenuobj.y=getposOffset(obj, "top")
			dropmenuobj.style.left=dropmenuobj.x-clearbrowseredge(obj, "rightedge")+obj.offsetWidth+horizontaloffset+"px"
			dropmenuobj.style.top=dropmenuobj.y-clearbrowseredge(obj, "bottomedge")+"px"
	}
	return clickreturnvalue()
}

function clickreturnvalue()
{
	if ((ie5||ns6) && !enableanchorlink)
		return false
	else
		return true
}

function contains_ns6(a, b)
{
	while (b.parentNode)
		if ((b = b.parentNode) == a)
		return true;
	return false;
}

function dynamichide(e)
{
	if (ie5&&!dropmenuobj.contains(e.toElement))
		delayhidemenu()
	else if (ns6&&e.currentTarget!= e.relatedTarget&& !contains_ns6(e.currentTarget, e.relatedTarget))
		delayhidemenu()
}

function delayhidemenu()
{
	delayhide=setTimeout("dropmenuobj.style.visibility='hidden'",disappeardelay)
}

function clearhidemenu()
{
	if (typeof delayhide!="undefined")
		clearTimeout(delayhide)
}