// Browser Window Size and Position
// copyright Stephen Chapman, 3rd Jan 2005, 8th Dec 2005
// you may copy these functions but please keep the copyright notice as well
function pageWidth() {
	return window.innerWidth != null ? window.innerWidth : document.documentElement && document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body != null ? document.body.clientWidth : null;
}
function pageHeight() {
	return  window.innerHeight != null? window.innerHeight : document.documentElement && document.documentElement.clientHeight ?  document.documentElement.clientHeight : document.body != null? document.body.clientHeight : null;
}
function posLeft() {
	return typeof window.pageXOffset != 'undefined' ? window.pageXOffset :document.documentElement && document.documentElement.scrollLeft ? document.documentElement.scrollLeft : document.body.scrollLeft ? document.body.scrollLeft : 0;
}
function posTop() {
	return typeof window.pageYOffset != 'undefined' ?  window.pageYOffset : document.documentElement && document.documentElement.scrollTop ? document.documentElement.scrollTop : document.body.scrollTop ? document.body.scrollTop : 0;
}
function posRight() {
	return posLeft()+pageWidth();
}
function posBottom() {
	return posTop()+pageHeight();
}

function SelectCSS () {
	IsNarrow = false;
	if ((PageWidth = pageWidth ()) != null) {
		if (PageWidth < 1000) {
			IsNarrow = true;
			var styleNode = document.createElement('link');
			styleNode.setAttribute('rel', 'stylesheet');
			styleNode.setAttribute('type', 'text/css');
			styleNode.setAttribute('href', 'efc-narrow.css');
			document.getElementsByTagName('head')[0].appendChild(styleNode);
		}
	}
}