var ua = navigator.userAgent.toLowerCase();

if ((ua.indexOf('mac') != -1 && ua.indexOf('msie') != -1) || ua.indexOf('applewebkit') != -1)
{
	document.write('<link href="http://art.bgsu.edu/css/artmain_mac.css" type="text/css" rel="stylesheet">')
}
else if (ua.indexOf('firefox') != -1)
{

	document.write('<link href="http://art.bgsu.edu/css/artmain_ffox.css" type="text/css" rel="stylesheet">')
}
else if(ua.indexOf("msie 7.") != -1 || ua.indexOf("msie 8.") != -1)
{
	document.write('<link href="http://art.bgsu.edu/css/artmain_ie7.css" type="text/css" rel="stylesheet">')
}
else
    document.write('<link href="http://art.bgsu.edu/css/artmain.css" type="text/css" rel="stylesheet">')
	
function checkOS()
{
	var browser = navigator.userAgent;
	if(browser.indexOf( 'Safari' ) == -1)
	{
		return true;
	}
}