function onLoad(requireHelper) {
	var oHeader = document.getElementById('Header');
	var oPagefooter = document.getElementById('pagefooter');
	var oCloseButton = document.getElementById('close');

	if (eval('window.opener') || eval('window.parent.opener')) {
		if (eval(oHeader)) { oHeader.style.display = 'none'; }
		if (eval(oPagefooter)) { oPagefooter.style.display = 'none'; }
		if (eval(oCloseButton)) { oCloseButton.style.display = 'inline'; }
	} else {
		if (eval(oHeader)) { oHeader.style.display = 'block'; }
		if (eval(oPagefooter)) { oPagefooter.style.display = 'block'; }
		if (eval(oCloseButton)) { oCloseButton.style.display = 'none'; }
	}
	
	if (requireHelper && !helperInstalled) {
	    alert('The LAUNCH! Web Helper doesn\'t appear to be installed on this machine. It is required for your selection. If you have the Helper installed select \'Register my Helper manually\' to prevent this message in the future.');
	}
}