function openWindow1(url_param) {
  
  var popupWin = null;
  popupWin = window.open(url_param, 'remote', 'width=300,height=349,left=50,top=50,scrollbars=no')
  popupWin.opener.name="main";
  popupWin.focus();
}

function openWindow2(url_param) {
  
  var popupWin = null;
  popupWin = window.open(url_param, 'remote', 'width=746,height=413,left=20,top=20,scrollbars=no')
  popupWin.opener.name="main";
  popupWin.focus();
}