// ウィンドウクローズfunction pageclose() {	window.close();}// 中央に新規ウィンドウオープン -こちらを使用すると省略出来ます。- (ex. javascript:openCenterWindow('openwindow/ex.html','ex','550','550')function openCenterWindow(theURL,winName,openw,openh) {	x = (screen.width - openw)/2;	y = (screen.height - openh)/2;	window.open(theURL,winName,"screenX="+x+",ScreenY="+y+",left="+x+",top"+y+",width="+openw+",height="+openh+",toolbar=no,scrollbars=yes,resizable=yes");}// 中央に新規ウィンドウオープン(高さはユーザーに任せる) -こちらを使用すると省略出来ます。- (ex. javascript:openCenterWindowUser('openwindow/ex.html','ex','550')function openCenterWindowUser(theURL,winName,openw) {	userh = screen.height - 150; 	x = (screen.width - openw)/2;	y = (screen.height - userh)/2;	window.open(theURL,winName,"screenX="+x+",ScreenY="+y+",left="+x+",top"+y+",width="+openw+",height="+userh+",toolbar=no,scrollbars=yes,resizable=yes");}// メンテナンス用 ウィンドウオープン (ex. javascript:openmaintewindow()function openmaintewindow() {	theURL = 'http://www.lhweb.jp/maintenance/mainte.html'	winName = 'mainte'	openw = 650	openh = 380	x = (screen.width - openw)/2;	y = (screen.height - openh)/2;	window.open(theURL,winName,"screenX="+x+",ScreenY="+y+",left="+x+",top"+y+",width="+openw+",height="+openh+",toolbar=no,scrollbars=yes,resizable=yes");}