function sh(menuId){
	var lid = "a"+menuId;
	//var im = "b"+menuId;
	var obj = document.getElementById(lid)
	if(obj.style.visibility=="visible"){
		//document[im].src = 'media/inner/innerIcon.gif'
		obj.style.visibility = "hidden";
	}else{
		obj.style.visibility = "visible";
		//document[im].src = 'media/inner/innerIcon_over.gif';
	}
}