function preview( URL )
{
	previewwindow = window.open( URL, 'preview', 'width = 800, height = 600, menubar = 0, status = 0, toolbar = 0, scrollbars = 1, location = 0, resizeable = 1' );
}

function OnSubmitForm()
{
	if( document.pressed == 'Preview' )
		document.newsletter.action ="preview.php";
	return true;
}

function popup ( page )
{
	popupwindow = window.open( page, '_blank', 'width = 400, height = 400, menubar = 0, status = 0, toolbar = 0, scrollbars = 1, location = 0, resizeable = 1, top = 300, left = 600' );
}