startList = function() {
var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" over";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace("over", "");
		}
	}
 initSubNav()
}

function initSubNav(){
	if (document.getElementById){
	//turns current subnav item on except on homepage
		if (!document.getElementById('box_home')){
			var subnav = document.getElementById('sidenav');  	//finds subnav element
			var subnavas = subnav.getElementsByTagName('a'); 	//finds all anchors within subnav
			for (var a=0; a<subnavas.length; a++){		//cycles through each link
				var currenthref=String(subnavas[a].href);	//assigns current link href to a string
				var currentloc=String(document.location);	//assigns current document url to a string
			
				//if the current link href matches the document url the anchor is given a class
				if (unescape(currenthref)==unescape(currentloc)){
					subnavas[a].className="hi"
				}
			}
	  	}
	}
	
}

window.onload = startList;