function initSubNav(){
	if (document.getElementById){
	//turns current subnav item on except on homepage
		if (document.getElementById('leftnav-section')){
			var subnav = document.getElementById('leftnav-section');  	//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"
				}
			}
	  	}
	}
	if (document.all) sfTarget();
//if (document.getElementById("section-links"))initPop();
}

document.getElementsByClassName = function(clsName){
    var retVal = new Array();
    var elements = document.getElementsByTagName("*");
    for(var i = 0;i < elements.length;i++){
        if(elements[i].className.indexOf(" ") >= 0){
            var classes = elements[i].className.split(" ");
            for(var j = 0;j < classes.length;j++){
                if(classes[j] == clsName)
                    retVal.push(elements[i]);
            }
        }
        else if(elements[i].className == clsName)
            retVal.push(elements[i]);
    }
    return retVal;
}

function addAnEvent( target, eventName, functionName){
        eval('target.on'+eventName+'=functionName');
}

function initPop(){
	var list = document.getElementById("section-links");
	var links = list.getElementsByTagName("a");
	var linkp;
	for(var i=0;i<links.length;i++){
		linkp = links[i];
		if(linkp.className !== "no-pop"){
			addAnEvent(linkp,'click',Popup);
		}
	}
}


function Popup(){
 		appWindow = window.open (this.href,"appWindow","width=800,height=400,toolbar=1,scrollbars=1,resizable=1");
		appWindow.focus ();
		return false;        
}

function sfTarget () {
	var sfEls=document.getElementsByTagName("div");
	var aEls = document.getElementsByTagName("a");
	document.lastTarget = null;
	for (var i=0; i<sfEls.length; i++) {
		if (sfEls[i].id) {
			if (location.hash==("#" + sfEls[i].id)) {
				sfEls[i].className+=" sftarget";
				document.lastTarget=sfEls[i];
			}
			for (var j=0; j<aEls.length; j++) {
				if (aEls[j].hash==("#" + sfEls[i].id)) aEls[j].targetEl = sfEls[i]; aEls[j].onclick = function() {
					if (document.lastTarget) document.lastTarget.className = document.lastTarget.className.replace(new RegExp(" sftarget\\b"), "");
					if (this.targetEl) this.targetEl.className+=" sftarget"; document.lastTarget=this.targetEl;
					return true;
				}
			}
		}
	}
}
 

window.onload = initSubNav;