function MM_over(n){
	switch(n){
		case 1:MM_swapImage('aboutus','','/atf/cf/{8E933A1E-91B6-4509-932B-3CE06BF55CA6}/TOPNAV_ABOUT_ON.GIF',1);break;
		case 2:MM_swapImage('priority','','/atf/cf/{8E933A1E-91B6-4509-932B-3CE06BF55CA6}/TOPNAV_PRIORITY_ON.GIF',1);break;
		case 3:MM_swapImage('resources','','/atf/cf/{8E933A1E-91B6-4509-932B-3CE06BF55CA6}/TOPNAV_RESOURCES_ON.GIF',1);break;
		case 4:MM_swapImage('collab','','/atf/cf/{8E933A1E-91B6-4509-932B-3CE06BF55CA6}/TOPNAV_COLLAB_ON.GIF',1);break;
		case 5:MM_swapImage('events','','/atf/cf/{8E933A1E-91B6-4509-932B-3CE06BF55CA6}/TOPNAV_EVENTS_ON.GIF',1);break;
		default:break;
	}
}

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);