function OpenPopup(winName) {
	var features;	features = "resizable=yes,width=544,height=690,status=yes, scrollbars=auto";
	//var winName;
	if (!winName) { winName = "subWindow"; }
	var sub_window;
	
	sub_window = window.open( '' ,winName, features );
	// sub_window.focus();
	
	if ( sub_window ) {
		sub_window.focus();
	} else {
		alert( "ポップアップウインドウを開けませんでした。\n[ctrl]キーを押しながらクリックしてみてください。");
	}
}

function OpenLargeImage() {
	var features;	features = "resizable=yes,width=500,height=550,status=yes, scrollbars=auto";
	var winName;	winName = "image_popup";
	var sub_window;
	
	sub_window = window.open( "" ,winName, features );
	sub_window.focus();
}