var ie4 = (document.all) ? true : false;
var ns4 = (document.layers) ? true : false;
var ns6 = (document.getElementById && !document.all) ? true : false;
var nav = 'start';

window.onload = prepareLinks;

function prepareLinks()
{
	var links = document.getElementsByTagName("a");
	for (var i=0; i<links.length; i++)
	{
		if (links[i].getAttribute("classname") == "external") 
		{
			if (links[i].getAttribute('title') == '')
				links[i].setAttribute("title","(opens in a new window)");
			links[i].onclick = function()
			{
				OpenNewWindow(this.getAttribute('href'));
				return false;
			}
		}
		else if (links[i].getAttribute('classname').substring(0,6) == 'popup_')
		{
			links[i].setAttribute("title","this is a popup");
			var cName = links[i].getAttribute('classname')
			var param = cName.split('_')
			links[i].onclick = function()
			{
				popup(50,50,param[1],param[2],this.getAttribute('href'));
				return false;
			}
		}
		else
		{
//			var linkText  = links[i].firstChild.nodeValue;
//			links[i].setAttribute('title','this is a link to '+linkText);
		}
  	}
}

function popup(x,y,w,h,fn)
{
	NewWindow = window.open(fn,'descr','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=0,scrollbars=1,resizable=1,copyhistory=no,width='+w+',height='+h+', top='+y+',left='+x)
}


function OpenNewWindow(fn)
{
	NewWindow = window.open(fn)
}

function helpm(path,art,headline,dtg)
{
	NewWindow=window.open('/news/newsArticle.asp?path='+path+'&art='+art+'&headline='+headline+'&dtg='+dtg,'descr','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=0,scrollbars=1,resizable=1,copyhistory=no,width=650,height=450,top=10,left=100')
}

	
if (document.images)
{
	img8on = new Image(); img8on.src = '/includes/nav8ah_on.gif';
	img1on = new Image(); img1on.src = '/includes/nav1pa_on.gif';
	img2on = new Image(); img2on.src = '/includes/nav2au_on.gif';
	img3on = new Image(); img3on.src = '/includes/nav3ay_on.gif';
	img4on = new Image(); img4on.src = '/includes/nav4cu_on.gif';
	img5on = new Image(); img5on.src = '/includes/nav5to_on.gif';
	img6on = new Image(); img6on.src = '/includes/nav6sm_on.gif';
	img7on = new Image(); img7on.src = '/includes/nav7n_on.gif';
	
	arrow_off = new Image(); arrow_off.src = '/includes/arrowRight.gif';
	arrow_on = new Image(); arrow_on.src = '/includes/arrowdown.gif';
}

function cIn(lay)
{
	if (ie4) 
	{
		document.all.nav8ah.style.visibility = "hidden";
		document.all.nav1pa.style.visibility = "hidden";
		document.all.nav2au.style.visibility = "hidden";
		document.all.nav3ay.style.visibility = "hidden";
		document.all.nav5to.style.visibility = "hidden";
		document.all.nav4cu.style.visibility = "hidden";
		document.all.nav7n.style.visibility = "hidden";
		document.all.nav6sm.style.visibility = "hidden";
		if (lay != '')
			document.all[lay].style.visibility = "visible";
	}
	if (ns4) 
	{
		document.layers.nav8ah.visibility = "hide";	
		document.layers.nav1pa.visibility = "hide";	
		document.layers.nav2au.visibility = "hide";	
		document.layers.nav3ay.visibility = "hide";	
		document.layers.nav5to.visibility = "hide";	
		document.layers.nav4cu.visibility = "hide";	
		document.layers.nav7n.visibility = "hide";	
		document.layers.nav6sm.visibility = "hide";	
		if (lay != '')
			document.layers[lay].visibility = "show";
	}
	if (ns6) 
	{
		document.getElementById("nav8ah").style.display = "none";
		document.getElementById("nav1pa").style.display = "none";
		document.getElementById("nav2au").style.display = "none";
		document.getElementById("nav3ay").style.display = "none";
		document.getElementById("nav5to").style.display = "none";
		document.getElementById("nav4cu").style.display = "none";
		document.getElementById("nav7n").style.display = "none";
		document.getElementById("nav6sm").style.display = "none";
		if (lay != '')
			document.getElementById(lay).style.display = "block";
	}
}

function cOut()
{
	if (ie4) 
	{
		document.all.nav8ah.style.visibility = "hidden";
		document.all.nav1pa.style.visibility = "hidden";
		document.all.nav2au.style.visibility = "hidden";
		document.all.nav3ay.style.visibility = "hidden";
		document.all.nav5to.style.visibility = "hidden";
		document.all.nav4cu.style.visibility = "hidden";
		document.all.nav7n.style.visibility = "hidden";
		document.all.nav6sm.style.visibility = "hidden";
		if (nav != '')
			document.all[nav].style.visibility = "visible";
	}
	if (ns4) 
	{
		document.layers.nav8ah.visibility = "hide";
		document.layers.nav1pa.visibility = "hide";	
		document.layers.nav2au.visibility = "hide";	
		document.layers.nav3ay.visibility = "hide";	
		document.layers.nav5to.visibility = "hide";	
		document.layers.nav4cu.visibility = "hide";	
		document.layers.nav7n.visibility = "hide";	
		document.layers.nav6sm.visibility = "hide";	
		if (nav != '')
			document.layers[nav].visibility = "show";
	}
	if (ns6) 
	{
		document.getElementById("nav8ah").style.display = "none";
		document.getElementById("nav1pa").style.display = "none";
		document.getElementById("nav2au").style.display = "none";
		document.getElementById("nav3ay").style.display = "none";
		document.getElementById("nav5to").style.display = "none";
		document.getElementById("nav4cu").style.display = "none";
		document.getElementById("nav7n").style.display = "none";
		document.getElementById("nav6sm").style.display = "none";
		if (nav != '')
			document.getElementById(nav).style.display = "block";
	}
}


function cSet(lay,pic)
{
	nav = lay;
	cIn(lay);
	document.img_nav8ah.src = '/includes/nav8ah.gif';
	document.img_nav1pa.src = '/includes/nav1pa.gif';
	document.img_nav2au.src = '/includes/nav2au.gif';
	document.img_nav3ay.src = '/includes/nav3ay.gif';
	document.img_nav4cu.src = '/includes/nav4cu.gif';
	document.img_nav5to.src = '/includes/nav5to.gif';
	document.img_nav6sm.src = '/includes/nav6sm.gif';
	document.img_nav7n.src = '/includes/nav7n.gif';
	if (lay != '')
		document['img_'+lay].src = eval(pic+'on.src');
}

function menuSet(mItem)
{
	if (document.images)
	{
//		alert(mItem);
		document.n_search.src = eval('arrow_off.src');
		document.n_enquire.src = eval('arrow_off.src');
		document.n_alerts.src = eval('arrow_off.src');
		document.n_faq.src = eval('arrow_off.src');
		document[mItem].src = eval('arrow_on.src');
	}
}