function menuOver( id ) {
	var obj = get( 'menu_' + id );
	obj.src='/graph/menu_white_0'+id+'.png';
}

function menuOut( id ) {
	var obj = get( 'menu_' + id );
	obj.src='/graph/menu_0'+id+'.png';
}

function menuOutGray( id ) {
	var obj = get( 'menu_' + id );
	obj.src='/graph/menu_gray_0'+id+'.png';
}

sfHover = function() {
	var navi = document.getElementById( "nav" );
	if( navi != null ) {
		var sfEls = navi.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);