function dotMouseOver(id) {
	document.getElementById("evt" + id).className = "hover";
};

function dotMouseOut() {
	for (var i = 0; i < document.getElementById('content-nav').getElementsByTagName('a').length; i++) {
		document.getElementById('content-nav').getElementsByTagName('a')[i].className = "";
	}
};

function getObj(objName) {
  var isIE = navigator.appName.indexOf("Microsoft") != -1;
  return (isIE) ? window[objName] : document[objName];
}

function callDotOver(id) {
	var obj = getObj("ei");
	if (typeof obj["dotOver"] == "function") {
		obj.dotOver(id);
	}
};

function callDotOut() {
	var obj = getObj("ei");
	if (typeof obj["dotOut"] == "function") {		
		obj.dotOut();
	}
};