var windowNumber = 0;
var windowFrame = {width:0,height:0};
var sizeMainWindow = {width:0,height:0};

if (opener && opener.windowFrame) {
	windowFrame = opener.windowFrame;
}
function WinOpen( dir ) {
	
	var width=1000;
	var height=650;
	
	sizeMainWindow.width = width;
	sizeMainWindow.height = height;
	
	if (windowNumber == 0) {
		var left = (screen.width - (width + 12)) / 2;
		var top = (screen.height - (height + 36)) / 2;
	}
	else {
	var tmp_left = (screen.width - (width + 12)) / 2;
	var tmp_top = (screen.height - (height + 36)) / 2;
		var left = Math.max(0, Math.min(tmp_left, screen.width - width));
		var top = Math.max(0, Math.min(tmp_top, screen.height - height));
	}
	var hwnd = window.open("http://www.kcms.jp/b_koriyama/bk"+dir+"/_SWF_Window.html", "_blank", "width=" + width + ",height=" + height + ","
		+ "resizable=yes,"
		+ "screenX=" + left + ","
		+ "screenY=" + top + ","
		+ "left=" + left + ","
		+ "top=" + top + ""
	);

	windowNumber++;
	if (is_ie) {
		windowFrame.width = hwnd.screenLeft - left;
		windowFrame.height = hwnd.screenTop - top;
	}
	
}