var supports = (function() {
	var div = document.createElement('div'),
		vendors = 'Khtml Ms O Moz Webkit'.split(' '),
		len = vendors.length;
		
	return function(prop) {
		if ( prop in div.style ) return true;
		while ( len-- ) {
			if ( vendors[len] + prop in div.style ) {
				return true;
			}
		}
		return false;
	};
})();



if ( !supports('BoxPack')) {
	document.documentElement.className += ' noBoxPack';
}