function isIE(isMenuEnabled)
{
	if (menuEnabled == true) 
	{
		if (document.all)
		{
			return true;
		}
	}
	else
	{
		return false;
	}
}

function expandMenu(linkElement, parentLinkElement, isMenuEnabled)
{
	linkElement.style.top = findPosY(parentLinkElement) + 21;
	if (isIE(isMenuEnabled))
	{
		linkElement.style.left = findPosX(parentLinkElement) - findPosX(document.getElementById('nav')) + 5;
		linkElement.style.visibility = "visible";
	}
}

function browserDetect()
{
	alert(navigator.userAgent);
}

/*
function contractMenu( linkElement )
{ //v1.0
	linkElement.style.visibility = "hidden";
}
*/

function findPosX(obj)
{
	var curleft = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curleft += obj.offsetLeft
			obj = obj.offsetParent;
		}
	}
	else if (obj.x)
		curleft += obj.x;
		
	return curleft;
}

function findPosY(obj)
{
	var curtop = 0;
	if (obj.offsetParent)
	{
		while (obj.offsetParent)
		{
			curtop += obj.offsetTop
			obj = obj.offsetParent;
		}
	}
	else if (obj.y)
		curtop += obj.y;
	
	return curtop;
}						

function hideAll()
{
	document.getElementById('homemenu').style.visibility = "hidden";
	document.getElementById('aboutBcne').style.visibility = "hidden";
	document.getElementById('businessClubs').style.visibility = "hidden";
	document.getElementById('news').style.visibility = "hidden";	
	document.getElementById('events').style.visibility = "hidden";		
	document.getElementById('magazine').style.visibility = "hidden";	
	document.getElementById('directory').style.visibility = "hidden";
	document.getElementById('usefulInfo').style.visibility = "hidden";
}

function loadAll()
{
	expandMenu(document.getElementById('homemenu'), this)
	expandMenu(document.getElementById('aboutBcne'), this)
	expandMenu(document.getElementById('news'), this)	
	expandMenu(document.getElementById('businessClubs'), this)	
	expandMenu(document.getElementById('events'), this)	
	expandMenu(document.getElementById('magazine'), this)		
	expandMenu(document.getElementById('directory'), this)
	expandMenu(document.getElementById('usefulInfo'), this)
	hideAll();
}