function showhide(id){
	if (document.getElementById){
		obj = document.getElementById(id);
		if (obj.style.display == ""){
			obj.style.display = "none";
		} else {
			obj.style.display = "block";
		}
	}
}

function show(id){
	if(document.getElementById){
		obj = document.getElementById(id);
			obj.style.display = "block";
		}
}

function hide(id){
	if(document.getElementById){
		obj = document.getElementById(id);
			obj.style.display = "none";
		}
}