// JavaScript Document
function switchTeaser(o) {
	while (o && o.id == "") {
			o = o.parentNode;
	}
	if (o.id) {
			var rows = document.getElementsByTagName("li");
				for (var i=0; i<rows.length; i++){
							if(rows[i].className=="selected"){							
											rows[i].className = "default";
									}
					}
		document.getElementById(o.id).className='selected';
		document.getElementById("banner_image").className=o.id;
	}
}