var navCatsInit = $$('.navcat');
for (var i=0;i<navCatsInit.length;i++) {
	if (navCatsInit[i].src.indexOf('-now') == -1) {
		navCatsInit[i].current = false;
	} else {
		navCatsInit[i].current = true;
	}
}

function showNavCat(ncid,ncname,ncimage) {
	var navCats = $$('.navcat');
	for (var i = 0;i < navCats.length;i++) {
		if (navCats[i].id != ncname) {
			var imgStart = navCats[i].src.lastIndexOf('_');
			var imgEnd = 0;
			if (navCats[i].src.indexOf("-now") != -1) {
				imgEnd = navCats[i].src.indexOf("-now");
			} else {
				imgEnd = navCats[i].src.indexOf(".png");
			}
			var tempImgName = navCats[i].src.substring(imgStart+1,imgEnd);
			navCats[i].src = 'templates/default/images/nav_' + tempImgName + '.png';
			navCats[i].current = false;
		} else {
			navCats[i].src = 'templates/default/images/nav_' + ncimage + '-now.png';
			navCats[i].current = true;
		}
	}
	var navItems = $$('.subNav');
	for (var i = 0;i < navItems.length;i++) {
		if (navItems[i].id != 'subNav'+ ncname) {
			navItems[i].style.display = 'none';
		} else {
			navItems[i].style.display = 'block';
		}
	}
}