﻿/* ********************************************************************************************* */
/* ***                                                          THIS SECTION FOR LEFT NAV                                                                    *** */
/* ********************************************************************************************* */
sfHover = function() {
	var sfEls = document.getElementById("leftNav").getElementsByTagName("LI");
	for (var i = 0; i < sfEls.length; i++) {
		sfEls[i].onmouseover = function() {
			this.className += (this.className.length > 0 ? " " : "") + "sfhover";
		}
		sfEls[i].onmouseout = function() {
			this.className = this.className.replace(new RegExp("( ?|^)sfhover\\b"), "");
		}
	}
}
mcAccessible = function() {
	var mcEls = document.getElementById("leftNav").getElementsByTagName("A");
	for (var i = 0; i < mcEls.length; i++) {
		mcEls[i].onfocus = function() {
			this.className += (this.className.length > 0 ? " " : "") + "sffocus"; //a:focus
			this.parentNode.className += (this.parentNode.className.length > 0 ? " " : "") + "sfhover"; //li < a:focus
			if (this.parentNode.parentNode.parentNode.nodeName == "LI") {
				this.parentNode.parentNode.parentNode.className += (this.parentNode.parentNode.parentNode.className.length > 0 ? " " : "") + "sfhover"; //li < ul < li < a:focus
				if (this.parentNode.parentNode.parentNode.parentNode.parentNode.nodeName == "LI") {
					this.parentNode.parentNode.parentNode.parentNode.parentNode.className += (this.parentNode.parentNode.parentNode.parentNode.parentNode.className.length > 0 ? " " : "") + "sfhover"; //li < ul < li < ul < li < a:focus
				}
			}
		}
		mcEls[i].onblur = function() {
			this.className = this.className.replace(new RegExp("( ?|^)sffocus\\b"), "");
			this.parentNode.className = this.parentNode.className.replace(new RegExp("( ?|^)sfhover\\b"), "");
			if (this.parentNode.parentNode.parentNode.nodeName == "LI") {
				this.parentNode.parentNode.parentNode.className = this.parentNode.parentNode.parentNode.className.replace(new RegExp("( ?|^)sfhover\\b"), "");
				if (this.parentNode.parentNode.parentNode.parentNode.parentNode.nodeName == "LI") {
					this.parentNode.parentNode.parentNode.parentNode.parentNode.className = this.parentNode.parentNode.parentNode.parentNode.parentNode.className.replace(new RegExp("( ?|^)sfhover\\b"), "");
				}
			}
		}
	}
}

// only ie needs the sfHover script. all need the accessibility script...
if (window.addEventListener) window.addEventListener('load', mcAccessible, false); // gecko, safari, konqueror and standard
else if (document.addEventListener) document.addEventListener('load', mcAccessible, false); // opera 7
else if (window.attachEvent) { // win/ie
	window.attachEvent('onload', sfHover);
	window.attachEvent('onload', mcAccessible);
} else { // mac/ie5
	if (typeof window.onload == 'function') {
		var existing = onload;
		window.onload = function() {
			existing();
			sfHover();
			mcAccessible();
		}
	} else {
		window.onload = function() {
			sfHover();
			mcAccessible();
		}
	}
}
/* ********************************************************************************************* */
/* ***                                                          END LEFT NAV SECTION                                                                             *** */
/* ********************************************************************************************* */