var showVesselWin;
var check = "船名を入力して下さい";
function checkVessel(obj)
{
	var vessel;
	vessel = obj.value;
	if(vessel.length==0)
	{   
		alert(check);
		return false;
	}
	return true;
}

function showVessel()
{
  var w = 500;
  var h = 400;
  if(showVesselWin)
    showVesselWin.close();
  showVesselWin = window.open("/schedule/vessel.jsp?todo=showForm", "showVesselWin", "width=" + w + ", height=" + h + ", left=" +(screen.width - w) / 2 + ", top=" +(screen.height - h) / 2);
  showVesselWin.focus();
}

function showVesselVsldy()
{
  var w = 500;
  var h = 400;
  if(showVesselWin)
    showVesselWin.close();
  showVesselWin = window.open("/schedule/vessel.jsp?todo=showForm&id=1", "showVesselWin", "width=" + w + ", height=" + h + ", left=" +(screen.width - w) / 2 + ", top=" +(screen.height - h) / 2);
  showVesselWin.focus();
}