var page = String(document.location).substr(String(document.location).lastIndexOf('/') +1);

var nav_element = null;
var nav_items = document.getElementById('navigation').getElementsByTagName('li');

for (var i = 0; i < nav_items.length; i++) {
	
	nav_element = document.createElement('img');
	nav_element.setAttribute('src', 'images/nav_0' + (i +1) + '_off.gif');
	nav_element.setAttribute('alt', nav_items[i].getElementsByTagName('a')[0].firstChild.nodeValue);
	
	nav_items[i].getElementsByTagName('a')[0].setAttribute('title', nav_items[i].getElementsByTagName('a')[0].firstChild.nodeValue)
	
	nav_items[i].getElementsByTagName('a')[0].replaceChild(nav_element, nav_items[i].getElementsByTagName('a')[0].firstChild);
	
	if (nav_items[i].getElementsByTagName('a')[0].getAttribute('href').substr(nav_items[i].getElementsByTagName('a')[0].getAttribute('href').lastIndexOf('/') +1) != page) {
	
		nav_items[i].getElementsByTagName('a')[0].onmouseover = function() {
			return this.getElementsByTagName('img')[0].setAttribute('src', this.getElementsByTagName('img')[0].getAttribute('src').replace('_off', '_on'));
		}
	
		nav_items[i].getElementsByTagName('a')[0].onmouseout = function() {
			return this.getElementsByTagName('img')[0].setAttribute('src', this.getElementsByTagName('img')[0].getAttribute('src').replace('_on', '_off'));
		}
	
	} else {
		
		nav_items[i].getElementsByTagName('a')[0].getElementsByTagName('img')[0].setAttribute('src', nav_items[i].getElementsByTagName('a')[0].getElementsByTagName('img')[0].getAttribute('src').replace('_off', '_on'));
		
	}
	
}

var footer_element = null;
var footer = document.getElementById('footer');

footer_element = document.createElement('img');
footer_element.setAttribute('src', 'images/footer_text.gif');
footer_element.setAttribute('title', footer.firstChild.nodeValue);

footer.replaceChild(footer_element, footer.firstChild);

if (document.getElementById('sidebar_help')) {

	var sidebar_help_anchors = document.getElementById('sidebar_help').getElementsByTagName('a');

	for (var i = 0; i < sidebar_help_anchors.length; i++) {
	
		if (sidebar_help_anchors[i].getAttribute('href').substr(sidebar_help_anchors[i].getAttribute('href').lastIndexOf('/') +1) != page) {
	
			sidebar_help_anchors[i].onmouseover = function() {
				return this.getElementsByTagName('img')[0].setAttribute('src', this.getElementsByTagName('img')[0].getAttribute('src').replace('005ec2', '000'));
			}

			sidebar_help_anchors[i].onmouseout = function() {
				return this.getElementsByTagName('img')[0].setAttribute('src', this.getElementsByTagName('img')[0].getAttribute('src').replace('000', '005ec2'));
			}
	
		} else {
		
			sidebar_help_anchors[i].getElementsByTagName('img')[0].setAttribute('src', sidebar_help_anchors[i].getElementsByTagName('img')[0].getAttribute('src').replace('005ec2', '000'));
		
		}
	
	}

}

// @name: openwin()
// @syntax: openwin(url, name, width, height, options)
// @dependencies: none
// @tested: IE 6.0+ [+], FF 2.0+ [+], Safari 3.0+ [+], Opera 9.0+ [+]
// @examples:
// return openwin(this.href, 'popup', 800, 600);
// return openwin(this.href, 'popup', 800, 600, 'menubar=yes,location=yes,resizable=yes,scrollbars=yes,status=yes');
// return openwin(this.href, 'popup', 800, 600, Array('menubar=yes','location=yes','resizable=yes','scrollbars=yes','status=yes'));

function openwin(url, name, width, height, options) {
	
	if (!options) { options = Array(); }
	else if (typeof(options) == 'string') { options = options.split(','); }
	
	window_top = Math.round((screen.height - height) / 2);
	window_left = Math.round((screen.width - width) / 2);
	
	options[options.length] = 'top=' + window_top;
	options[options.length] = 'left=' + window_left;
	
	if (width) { options[options.length] = 'width=' + width; }
	if (height) { options[options.length] = 'height=' + height; }
	
	window.open(url, name, options.join(','));
	
	return false;
	
}