window.onload=rollup;

function rollout(objMenuitem, objEvent)
{
    var iKeyCode;

    // Check if from a keyboard - non IE, but
    // irrelevant as tab doesn't trigger the 
    // keypress event in IE
    if (objEvent && objEvent.type == 'keypress')
    {
        if (objEvent.keyCode)
            iKeyCode = objEvent.keyCode;
        else if (objEvent.which)
            iKeyCode = objEvent.which;

        // If it's not the enter key or space key, 
        // pass control back to the browser
        if (iKeyCode != 13 && iKeyCode != 32)
            return true;
    }

    // Work out what we need to do
    if (objMenuitem.nextSibling.style.display == 'block')
        var strDisplay = 'none'
    else
        var strDisplay = 'block';

    // Close any nested lists that are open
    var objMenu = document.getElementById('mainnav');
    var objNested = objMenu.getElementsByTagName('ul');

    for (var i=0; i<objNested.length; i++)
        if (objNested[i].style.display == 'block')
            objNested[i].style.display = 'none';

    objMenuitem.nextSibling.style.display = strDisplay;
    
    // Keep any parent menus for this item open
    while (objMenuitem.parentNode.parentNode.id != 'mainnav')
    {
        objMenuitem = objMenuitem.parentNode.parentNode;
        objMenuitem.style.display = 'block';
    }

    // Stop the browser requesting the link
    return false;
}

function rollup()
{
    var bRollup, objLinks, objNode, objAnchor;

    // Check we're working with a DOM compliant browser
    if (document.getElementById && document.createElement)
    {
        var strLocation = window.location;

        var objMenu = document.getElementById('mainnav');

        var objNested = objMenu.getElementsByTagName('ul');

        // Hide each of the nested unordered list
        for (var i=0; i<objNested.length; i++)
        {
            // Only hide, if the current location is not found in the list
            bRollup = true;
            objLinks = objNested[i].getElementsByTagName('a');

            for (var j=0; j<objLinks.length; j++)
            {
                if (objLinks[j].href == strLocation)
                {
                    bRollup = false;

                    // Added by John Hunter
                    // remove link for current page
                    //objNode = objLinks[j];
                    //strContent = objNode.firstChild.data;
                    //var objCurrentPage = document.createElement('strong');
                    //objCurrentPage.appendChild(document.createTextNode(strContent));
                    //objNode.parentNode.replaceChild(objCurrentPage, objNode);
                    objNode = objLinks[j];
                    //objNode.style.idstrContent = objNode.firstChild;
                    //var objCurrentPage = document.createElement('strong');
                    //objCurrentPage.appendChild(document.createTextNode(strContent));
                    //objNode.parentNode.replaceChild(objCurrentPage, objNode);

                    // Add an id so we can keep the parents open
                    objNode.id = 'jsKeepOpen';
                }

            }

            if (bRollup == true)
                objNested[i].style.display = 'none';
            else
                objNested[i].style.display = 'block';

            // Place the top-level text in an anchor tag
            objNode = objNested[i].parentNode;

            strContent = objNode.firstChild.data;

            objAnchor = document.createElement('a');
            objAnchor.href = '#';
            objAnchor.onclick = function(event){return rollout(this, event);}
            objAnchor.onkeypress = function(event){return rollout(this, event);}
            objAnchor.appendChild(document.createTextNode(strContent));

            objNode.replaceChild(objAnchor, objNode.firstChild);
        }

        // Keep any parent menus for the current item
        if (document.getElementById('jsKeepOpen'))
        {
            var objKeepOpen = document.getElementById('jsKeepOpen');
            while (objKeepOpen.parentNode.id != 'mainnav')
            {
                objKeepOpen = objKeepOpen.parentNode;
                objKeepOpen.style.display = 'block';
                //objKeepOpen.setAttribute("className","jsKeepOpen-parent");
				//objKeepOpen.setAttribute("class","jsKeepOpen-parent");
            }
        }
        if (document.getElementById('section'))
        {
            var objKeepOpen = document.getElementById('section');
                objKeepOpen.style.display = 'block';
        }
		

    }
}


/*
	Image Cross Fade Redux
	Version 1.0
	Last revision: 02.15.2006
	steve@slayeroffice.com

	Rewrite of old code found here: http://slayeroffice.com/code/imageCrossFade/index.html
*/

window.addEventListener?window.addEventListener('load',so_init,false):window.attachEvent('onload',so_init);

var d=document, imgs = new Array(), zInterval = null, current=0, pause=false;

function so_init()
{
	if(!d.getElementById || !d.createElement)return;
        if (document.getElementById('rotator'))
        {

	//css = d.createElement('link');
	//css.setAttribute('href','mysite/css/slideshow1.css');
	//css.setAttribute('rel','stylesheet');
	//css.setAttribute('type','text/css');
	//d.getElementsByTagName('head')[0].appendChild(css);

	imgs = d.getElementById('rotator').getElementsByTagName('img');
	for(i=1;i<imgs.length;i++) imgs[i].xOpacity = 0;
	imgs[0].style.display = 'block';
	imgs[0].xOpacity = .99;

	setTimeout(so_xfade,3000);
		} //end if rotator block
}

function so_xfade()
{
	cOpacity = imgs[current].xOpacity;
	nIndex = imgs[current+1]?current+1:0;
	nOpacity = imgs[nIndex].xOpacity;

	cOpacity-=.05;
	nOpacity+=.05;

	imgs[nIndex].style.display = 'block';
	imgs[current].xOpacity = cOpacity;
	imgs[nIndex].xOpacity = nOpacity;

	setOpacity(imgs[current]);
	setOpacity(imgs[nIndex]);

	if(cOpacity<=0)
	{
		imgs[current].style.display = 'none';
		current = nIndex;
		setTimeout(so_xfade,3000);
	}
	else
	{
		setTimeout(so_xfade,50);
	}

	function setOpacity(obj)
	{
		if(obj.xOpacity>.99)
		{
			obj.xOpacity = .99;
			return;
		}

		obj.style.opacity = obj.xOpacity;
		obj.style.MozOpacity = obj.xOpacity;
		obj.style.filter = 'alpha(opacity=' + (obj.xOpacity*100) + ')';
	}
}