function prepare_for_mac()
{
	if(navigator.platform.indexOf("Mac") != -1 || navigator.userAgent.indexOf("Safari") != -1)
	{
		document.body.className = ( navigator.userAgent.indexOf("Safari") != -1 ? 'mac safari' : 'mac firefox' );
	}
}
// Add onLoads
jQuery(document).ready(prepare_for_mac);