sfTarget = function() {
	var sfEls=document.getElementsByTagName("h2");
	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+=" " + cls;
				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;
				}
			}
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfTarget);