function OpenWindow(url,w,h) {
	window.open(url,"","width="+w+",height="+h+",toolbar=no,location=no,derectories=no,status=yes,menubar=no,scrollbars=yes,resizable=yes");
}

function OpenNpc(url) {
    OpenWindow(url,600,580)
}

function ShowMain(i_htm) {
	top.main.window.location.href = i_htm;
}

function ShowMain_bk(i_htm) {
	// ウィンドウ内にmainフレームがあれば表示
	for (i=0; i<top.frames.length; i++) {
		if (top.frames[i].name == "main") {
			top.frames[i].window.location.href = i_htm;
		}
	}
}