function menuOut(id) {
	if ( document.getElementById ){
		document.getElementById( id ).style.visibility = 'hidden';
	}else if ( document.all ){
		document.all( id ).style.visibility = 'hidden';
	}else if ( document.layers ){
		document.layers[ id ].visibility = 'hide';
	}
}
function menuOver(id){ 
	if ( document.getElementById ){
		document.getElementById( id ).style.visibility = 'visible';
	}else if ( document.all ){
		document.all( id ).style.visibility = 'visible';
	}else if ( document.layers ){
		document.layers[ id ].visibility = 'show';
	}
}