function showhide(id,id2){
	if (document.getElementById){
		obj = document.getElementById(id);
		obj2 = document.getElementById(id2);
		if (obj && obj2){
			if (obj.style.display == "none"){
				obj.style.display = "";
				obj2.style.display = "none";
			} else {
				obj.style.display = "none";
				obj2.style.display = "";
			}
		}
	}

}