function getInternetExplorerVersion()
// Returns the version of Internet Explorer or a -1
// (indicating the use of another browser).
{
	var rv = -1; // Return value assumes failure.
	if (navigator.appName == 'Microsoft Internet Explorer')
	{
		var ua = navigator.userAgent;
		var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
		if (re.exec(ua) != null)
		rv = parseFloat( RegExp.$1 );
	}
	return rv;
}

function notIE9()
{
	var ver = getInternetExplorerVersion();
	if ( ver < 9.0 ) 	
		return true;
	else
		return false;
}

function addWebBar()
{
	if  (notIE9())
	{
		Microsoft.Live.Core.Loader.load(['messenger.ui', 'messenger.ui.styles.core']);	
	}
}
addWebBar();