function sfHover() {
	if ( document.all ) {
		var sfEls = document.getElementById("interiorNav").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"), "");
			}
		}
	}
	
	var uls = document.getElementById("interiorNav").getElementsByTagName("UL");
	for ( var i = 0; i < uls.length; i++ ) {
			uls[i].onmouseover = function() {
				this.parentNode.firstChild.className += " hoverState";
			}
			uls[i].onmouseout = function() {
				this.parentNode.firstChild.className = this.parentNode.firstChild.className.replace( new RegExp( "hoverState\\b" ), "" );
			}
	}
}