function versionchange() {
	var selectControl = document.getElementById('pageversionchange');
	if (selectControl)
	{
		if (selectControl.selectedIndex != 0)
			setActiveVersionStyleSheet(selectControl.options[selectControl.selectedIndex].value);
	}
}

function getPreferredVersionStyleSheet() {
	return ('FullGraphics');
}

function setActiveVersionStyleSheet(title) {
	var i, a, main;
	for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if (a.getAttribute("title") && a.getAttribute("title").indexOf("Layout - ") == 0)
		{
				a.disabled = true;
				if(a.getAttribute("href").indexOf(title) != -1)
					a.disabled = false;
		}
	}
}

function getActiveVersionStyleSheet() {
	var i, a;
	for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if (a.getAttribute("title") && 
			a.getAttribute("title").indexOf("Layout - ") == 0 && 
			!a.disabled)
		{
			var linkHref = a.getAttribute("href");
			var startIndex = linkHref.indexOf("App_Themes")+11;
			var endIndex = linkHref.lastIndexOf("/");
			return linkHref.substring(startIndex, endIndex);
		}
	}
	return null;
}

//addLoadEvent(function(e) {
  var cookie = readCookie("versionstyle");
  var title = cookie ? cookie : getPreferredVersionStyleSheet();
  setActiveVersionStyleSheet(title);
//})

addUnloadEvent(function(e) {
  var title = getActiveVersionStyleSheet();
  createCookie("versionstyle", title, 365);
})