// JavaScript Document
<!--//--><![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"), "");
		}
	}
	var sfEls2 = document.getElementById("chapterSelNav").getElementsByTagName("LI");
	for (var i=0; i<sfEls2.length; i++) {
		sfEls2[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls2[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
	//
	//resize();
}


function toggleChapterNav(){	
	$$('#chapterSelNav li ul').each(function (list) {
		var style = list.getStyle('display');
		if(style == 'none'){
			list.setStyle('display', 'block');
		}else{
			list.setStyle('display', 'none');
		}
		
	});
}
	
	
if (window.attachEvent){ 
	window.attachEvent("onload", sfHover);
}else{
	//window.onload=resize;
}

//--><!]]>