function BSview(name, ref) {
    var req = new JsHttpRequest();
    req.onreadystatechange = function() {
        if (req.readyState == 4) {                       
             document.getElementById('BSview').innerHTML = req.responseText;
         } 
    }
    req.open(null, '/bs/bs.php', true);
    req.send( { name: name, ref: ref } );
}

function base64_decode( data ) { // Decodes data encoded with MIME base64
	var b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
	var o1, o2, o3, h1, h2, h3, h4, bits, i=0, enc='';

	do {  // unpack four hexets into three octets using index points in b64
		h1 = b64.indexOf(data.charAt(i++));
		h2 = b64.indexOf(data.charAt(i++));
		h3 = b64.indexOf(data.charAt(i++));
		h4 = b64.indexOf(data.charAt(i++));

		bits = h1<<18 | h2<<12 | h3<<6 | h4;

		o1 = bits>>16 & 0xff;
		o2 = bits>>8 & 0xff;
		o3 = bits & 0xff;

		if (h3 == 64) enc += String.fromCharCode(o1);
		else if (h4 == 64) enc += String.fromCharCode(o1, o2);
		else enc += String.fromCharCode(o1, o2, o3);
	} while (i < data.length);

	return enc;
}