//Highlighter: highlights the current page on the nav bar

function extractPageName(hrefString)
{
	var hrefString = hrefString.split('#');
	var hrefString = hrefString[0].split('?');

	var arr = hrefString[0].split('/');
	return  (arr.length < 2) ? hrefString : arr[arr.length-2].toLowerCase() + arr[arr.length-1].toLowerCase();
}
 
function setActiveMenu(arr, crtPage)
{
	for (var i=0; i < arr.length; i++)
	{
		if(extractPageName(arr[i].href) == crtPage)
		{
			if (arr[i].parentNode.tagName != "DIV")
			{
				arr[i].className = "current";
				arr[i].parentNode.className = "current";
			}
		}
	}
}
 
function setPage()
{
	hrefString = document.location.href ? document.location.href : document.location;
 
	if (document.getElementById("nav") !=null )
	setActiveMenu(document.getElementById("nav").getElementsByTagName("a"), extractPageName(hrefString));
}

//Dropdown menu: makes un-hover work in Internet Explorer by adding the css class "sfhover" Source: http://www.htmldog.com/articles/suckerfish/dropdowns/

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	} 
} 
if (window.attachEvent) window.attachEvent("onload", sfHover);