// Resolution Dependent Layout adapted from Cameron Adams - http://themaninblue.com/experiment/ResolutionLayout/
// updated by ADG 7 May 2008 (added jQuery, div moving)

function checkBrowserWidth() {
	var theWidth = getBrowserWidth();
	var secLevelNav = $j('div.seclevel-nav-container');
	if (theWidth == 0) {
		var resolutionCookie = document.cookie.match(/(^|;)res_layout[^;]*(;|$)/);
		if (resolutionCookie != null) {
			setStylesheet(unescape(resolutionCookie[0].split("=")[1]));
		}
		addLoadListener(checkBrowserWidth);
		return false;
	}
	if (theWidth < 744) {
		//setStylesheet(null);
		setStylesheet("lowres");
		document.cookie = "res_layout=" + escape("lowres");
		secLevelNav.insertBefore($j('div.share'));
		if (secLevelNav.length >= 1)
			$j('img.left-panel-img').hide();
	}
	else if (theWidth < 985) {
		setStylesheet("lowres");
		document.cookie = "res_layout=" + escape("lowres");
		secLevelNav.insertBefore($j('div.share'));
		if (secLevelNav.length >= 1)
			$j('img.left-panel-img').hide();
	}
	else {
		setStylesheet("");
		document.cookie = "res_layout=";
		secLevelNav.appendTo($j('div.second-level'));
		$j('img.left-panel-img').show();
	}
	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;
};

// end event listeners
$j(document).ready(checkBrowserWidth);
$j(window).resize(checkBrowserWidth);