function navigation() {
	
	if(document.getElementById) {
		
		var ul = document.getElementById("navigation");
		var lis = ul.getElementsByTagName("LI");
		
		for(var i=0; i<lis.length; i++) {
			if(/type-1/.test(lis[i].className)) {
				var li = lis[i];
				li.onmouseover = function() {
					this.className += " selected";
				};
				li.onmouseout = function() {
					if(/selected/.test(li.className)) {
						li.className = li.className.replace("selected", "");
					}
				};
			}
		}
	}
}

window.onload=function(){
	navigation();
}