// Load display functions
addEvent(window, 'load', externalLinks);
// Opens external window from a link via rel="external"; mimics target="_blank", a W3C deprecated attribute
function externalLinks() {
if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") anchor.target = "_blank";
	}
}
// Adds an event to the page
function addEvent(obj, evType, fn) {
	if (obj.addEventListener) {
		obj.addEventListener(evType, fn, true);
		return true;
	} else if (obj.attachEvent){
		var r = obj.attachEvent("on"+evType, fn);
		return r;
	} else {
		return false;
	}
}
// Invoke mouseover menu functionality for IE
startList = function() {
	if (document.all && document.getElementById) {
		var node = document.getElementById("productNav").getElementsByTagName("LI");
		for (i=0; i<node.length; i++) {
			node[i].onmouseover = function() {
				this.className += " over";
			}
			node[i].onmouseout = function() {
				this.className = this.className.replace(new RegExp(" over\\b"), "");
			}
		}
	}
}
//addEvent(window, 'load', startList);

// Zoom functionality

// create an instance of the Date object
var now = new Date();
// fix the bug in Navigator 2.0, Macintosh
//fixDate(now);
now.setTime(now.getTime() + 365 * 24 * 60 * 60 * 1000);
var zoom = '';
var curr_zoom = '';

zoomList = function() {
	if (document.getElementById('zoom')) {
		var node = document.getElementById('zoom').getElementsByTagName('LI');
		for (i=0; i<node.length; i++) {
			node[i].onclick = function() {
				if (this.id == 'zoom_small') zoom = '75%';
				else if (this.id == 'zoom_medium') zoom = '88%';
				else if (this.id == 'zoom_large') zoom = '100%';
				document.body.style.fontSize = zoom;
				deleteCookie('zoom', null, null);
				setCookie('zoom', zoom, now, null, null, false);
				this.className += ' current';
				return false;
			}
		}
	}
}
//addEvent(window, 'load', zoomList);

function setCookie(name, value, expires, path, domain, secure) {
  var curCookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
  document.cookie = curCookie;
}
function getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}
function deleteCookie(name, path, domain) {
  if (getCookie(name)) {
    document.cookie = name + "=" +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") +
    "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }
}
function fontSize() {
	if (getCookie('zoom') != null) {
		document.body.style.fontSize = getCookie('zoom');
	}
	//alert(getCookie('zoom'));
}
//addEvent(window, 'load', fontSize);