// Resolution Dependent Layout adapted from Cameron Adams - http://themaninblue.com/experiment/ResolutionLayout/

function addLoadListener(fn) {
	if (typeof window.addEventListener != 'undefined') {
		window.addEventListener('load', fn, false);
	}
	else if (typeof document.addEventListener != 'undefined') {
		document.addEventListener('load', fn, false);
	}
	else if (typeof window.attachEvent != 'undefined') {
		window.attachEvent('onload', fn);
	}
	else {
		return false;
	}
	return true;
};

function attachEventListener(target, eventType, functionRef, capture) {
    if (typeof target.addEventListener != "undefined") {
        target.addEventListener(eventType, functionRef, capture);
    }
    else if (typeof target.attachEvent != "undefined") {
        target.attachEvent("on" + eventType, functionRef);
    }
    else {
        return false;
    }
    return true;
};

// end event listeners

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("hires");
		document.cookie = "tmib_res_layout=" + escape("hires");
	}

	else {
		setStylesheet("");
		document.cookie = "tmib_res_layout=";
	}
	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;
};