<!--

var browser = {
	dom:(document.getElementById != null),
	ie:(document.all && parseInt(navigator.appVersion) >= 4),
	ns:(document.layers && parseInt(navigator.appVersion) >= 4)
}

function getLayer(name) {
	if (browser.dom) return document.getElementById(name);
	else if (browser.ie) return document.all[name];
	else if (browser.ns) return document.layers[name];
}

function change_picture(prefix, id) {

	_pictures = eval("_pictures_" + prefix);
	
	if (_pictures != null) {

		_picture = getLayer("picture_" + prefix);
		
		//if (_picture != null) _picture.src = _pictures[id];
		
		// transition
		if (_picture != null) crossfade(_picture, _pictures[id], '2');
			
		// select links
		for (i = 0; i < _pictures.length; i++) {
		
			_link = getLayer("link_" + prefix + "_" + i);
			if (_link != null) {
			
				if (i == id) _link.className = "selected";
					else _link.className = "";
			
			}
		
		}
	
	}
	
}

//-->