// sets the mapsize and submits the form or alerts the user
function SetMapSize( NewSize, SubmitNow, doAlert )
{

	var OldSize = document.mapform.mapsize.value;
	document.mapform.mapsize.value = NewSize;

	if (SubmitNow == 1) {
		document.mapform.submit();
		return false;
	}
	else if (SubmitNow == 0) {
		var msg = "New map size is " + NewSize;
		if ( ! ( window.status=msg ) || doAlert==true ) {
			alert( msg );
		}
		return true;
	}
	else if (SubmitNow == 2) {
		var submitConfirmed = confirm("Do you want to change the map size to " + NewSize + "?");
		if ( submitConfirmed == true ) {
			document.mapform.submit();
			return false;
		}
		else {
			document.mapform.mapsize.value = OldSize;
			document.mapform.mapresized.value = 0;
			return true;
		}
	}
}