checkBrowserWidth();
attachEventListener(window, "resize", checkBrowserWidth, false);

function checkBrowserWidth() {
	var theWidth = getBrowserWidth();
	if (theWidth == 0) {
		var resolutionCookie = document.cookie.match(/(^|;)tmib_res_layout[^;]*(;|$)/);
		if (resolutionCookie != null) {
			setStylesheet(unescape(resolutionCookie[0].split("=")[1]));
		}
		addLoadListener(checkBrowserWidth);
		return false;
	}
	if (theWidth > 1000)	{
		setStylesheet("wide");
		document.cookie = "tmib_res_layout=" + escape("wide");
	}
	else {
		setStylesheet("narrow");
		document.cookie = "tmib_res_layout=" + escape("narrow");
	}
	return true;
};

function getBrowserWidth() {
	if (window.innerWidth) {
		return window.innerWidth;
	}
	else if (document.documentElement && document.documentElement.clientWidth != 0) {
		return document.documentElement.clientWidth;
	}
	else if (document.body) {
		return document.body.clientWidth;
	}
	return 0;
};

function setStylesheet(styleTitle) {
	var currTag;
	if (document.getElementsByTagName) {
		for (var i = 0; (currTag = document.getElementsByTagName("link")[i]); i++) {
			if (currTag.getAttribute("rel").indexOf("style") != -1 && currTag.getAttribute("title")) {
				currTag.disabled = true;
				if(currTag.getAttribute("title") == styleTitle) {
					currTag.disabled = false;
				}
			}
		}
	}
	return true;
};
