//WebEnglishを開くメソッド
function openWebEnglish() {
	var height1, width1, size, url;
	height1 = 610; 
	width1 = 820;
	xPos = (screen.width - width1) / 2;
	yPos = (screen.height - height1) / 2;

	size = "height=" + height1 + ", width=" + width1 + ", resizable=1, scrollbars=yes, status=no, left=" + xPos + ", top=" + yPos ;
	url = "http://sanseido.reallyenglish.co.jp/";
	myWindowOpen(url, "WebEnglish", size);
}

function myWindowOpen( url, name, param ){
	var ow;
	ow = window.open( url, name, param);
	ow.focus();
}