/*
 subwindow.js
 showing subwindows
 the number of subwindows is limited to 3
 usage: <a href="ARIELBLANCLABEL.jpg" onclick="return openWin('ARIELBLANCLABEL.jpg', 290, 440, 'scroll')">
 'scroll' is the option for showing a scrollbar
*/

window.name = "regular";

var w1 = window;
var w2 = window;
var w3 = window;
function openWin() {
	var arg;
	arg = "width=";
	arg += openWin.arguments[1].toString();
	arg += ",height=";
	arg += openWin.arguments[2].toString();

	if(openWin.arguments.length > 3){ 
		if(openWin.arguments[3] == "scroll"){
			arg += ",scrollbars=yes";
		}
	} 

	if ((w1 == window) || w1.closed) {
		w1 = open(openWin.arguments[0], "_blank", arg);
	}
	else if ((w2 == window) || w2.closed) {
		w2 = open(openWin.arguments[0], "_blank", arg);
	}
	else if ((w3 == window) || w3.closed) {
		w3 = open(openWin.arguments[0], "_blank", arg);
	}
	else {
		window.alert("補助ウィンドウは３つまでしか開きません．どれかの補助ウィンドウを閉じてください．");
	}
	return(false);
}