function extractPageName(hrefString)
{
	var arr = hrefString.split('.');
	arr = arr[arr.length-2].split('/');
	return arr[arr.length-1].toLowerCase();		
}

function setActiveMenu(arr, crtPage)
{
	for(var i=0; i < arr.length; i++)
		if(extractPageName(arr[i].href) == crtPage)
		{
			arr[i].className = "current";
			arr[i].parentNode.className = "current";
		}
}

function setPage()
{
	if(document.location.href) 
		hrefString = document.location.href;
	else
		hrefString = document.location;

	if (document.getElementById("nav")!=null) 
		setActiveMenu(document.getElementById("nav").getElementsByTagName("a"), extractPageName(hrefString));
		
	if (document.getElementById("submenu")!=null) 
		setActiveMenu(document.getElementById("submenu").getElementsByTagName("a"), extractPageName(hrefString));
		
}

function getPageNum() {
	var sPath = window.location.pathname;
	var sPage = sPath.substring(sPath.lastIndexOf('/') + 1);
	
	if((sPage == "page10.shtml") || (sPage == "page11.shtml") || (sPage == "page12.shtml") ) {
		var newNumber = sPage.substring(4,6);
	} else {
		var newNumber = sPage.substring(4,5);
	}
	pageNum = parseInt(newNumber) + 1;

	return pageNum;
}

function goPageNum() {
	var sPath = window.location.pathname;
	var sPage = sPath.substring(sPath.lastIndexOf('/') + 1);
	
	if((sPage == "page10.shtml") || (sPage == "page11.shtml") || (sPage == "page12.shtml") || (sPage == "page13.shtml")  ) {
		var newNumber = sPage.substring(4,6);
	} else {
		var newNumber = sPage.substring(4,5);
	}
	var pageNum2 = parseInt(newNumber) - 1;
	
	if(sPage == "page1.shtml") {
		return pageNum2 = "";
	} else {
		return pageNum2;
	}
}


<!--//--><![CDATA[//><!--

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);

//--><!]]>