var addresswindow;

function openAddressWindow()
{
	// 一旦閉じてから
	if (addresswindow != null && addresswindow != undefined) { 
		addresswindow.close(); 
	} 
	// 開く
	addresswindow = window.open('/address/', '住所一覧', 'width=750, height=650, menubar=no, toolbar=no, scrollbars=yes');
}