function	show(typ,obj)
{
	var centeringOffset		=    ( document.body.clientWidth - 768 ) / 2;
	var offsetX				=	document.getElementById("wrap").offsetTop;

	if(obj	==	"g")
	{
		var obj					=	document.getElementById("go-betsu-list");
		var margin				=	12;
	}
	else if(obj	==	"c")
	{
		var obj					=	document.getElementById("category-betsu-list");
		var margin				=	89;
	}

	obj.style.visibility	=	typ;
	obj.style.left			=	centeringOffset + margin + offsetX + "px";
}