function getINNERWIDTH(){
	if (window.opera) {
		return window.innerWidth          //o6,o7用
	}
	else if(document.all) {
		return document.body.clientWidth  //e4,e5,e6用
	}
	else if(document.layers) {
		return window.innerWidth          //n4用
	}
	else if(document.getElementById) {
		return  window.innerWidth         //n6,n7,m1,s1用
	}
	return null
}

// ------------------------------------------

function show( id, column ) {
	if (document.getElementById) {
		var ele = document.getElementById(id);
		ele.style.visibility = (ele.style.visibility == "visible") ? "hidden": "visible";
		var vnum_move_px;
		switch (column) {
//			case "1": vnum_move_px = 400; break;
//			case "2": vnum_move_px = 207; break;
//			case "3": vnum_move_px = 15; break;
//			default: vnum_move_px = 0; break;
			case "1": vnum_move_px = 395; break;
			case "2": vnum_move_px = 202; break;
			case "3": vnum_move_px = 10; break;
			default: vnum_move_px = 0; break;
		}
		vnum_win_width = getINNERWIDTH();
		ele.style.left = (vnum_win_width / 2) - vnum_move_px;
	}
}