function doBuy(sUrl){
	window.location.href=decodeBase64(sUrl);
}
		
var END_OF_INPUT = -1;

var base64Chars = new Array(
	'A','B','C','D','E','F','G','H',
	'I','J','K','L','M','N','O','P',
	'Q','R','S','T','U','V','W','X',
	'Y','Z','a','b','c','d','e','f',
	'g','h','i','j','k','l','m','n',
	'o','p','q','r','s','t','u','v',
	'w','x','y','z','0','1','2','3',
	'4','5','6','7','8','9','+','/'
);

var reverseBase64Chars = new Array();
for (var i=0; i < base64Chars.length; i++){
	reverseBase64Chars[base64Chars[i]] = i;
}

var base64Str;
var base64Count;
function setBase64Str(str){
	base64Str = str;
	base64Count = 0;
}
function readBase64(){    
	if (!base64Str) return END_OF_INPUT;
	if (base64Count >= base64Str.length) return END_OF_INPUT;
	var c = base64Str.charCodeAt(base64Count) & 0xff;
	base64Count++;
	return c;
}
function encodeBase64(str){
	setBase64Str(str);
	var result = '';
	var inBuffer = new Array(3);
	var lineCount = 0;
	var done = false;
	while (!done && (inBuffer[0] = readBase64()) != END_OF_INPUT){
		inBuffer[1] = readBase64();
		inBuffer[2] = readBase64();
		result += (base64Chars[ inBuffer[0] >> 2 ]);
		if (inBuffer[1] != END_OF_INPUT){
			result += (base64Chars [(( inBuffer[0] << 4 ) & 0x30) | (inBuffer[1] >> 4) ]);
			if (inBuffer[2] != END_OF_INPUT){
				result += (base64Chars [((inBuffer[1] << 2) & 0x3c) | (inBuffer[2] >> 6) ]);
				result += (base64Chars [inBuffer[2] & 0x3F]);
			} else {
				result += (base64Chars [((inBuffer[1] << 2) & 0x3c)]);
				result += ('=');
				done = true;
			}
		} else {
			result += (base64Chars [(( inBuffer[0] << 4 ) & 0x30)]);
			result += ('=');
			result += ('=');
			done = true;
		}
		lineCount += 4;
		if (lineCount >= 76){
			result += ('\n');
			lineCount = 0;
		}
	}
	return result;
}
function readReverseBase64(){   
	if (!base64Str) return END_OF_INPUT;
	while (true){      
		if (base64Count >= base64Str.length) return END_OF_INPUT;
		var nextCharacter = base64Str.charAt(base64Count);
		base64Count++;
		if (reverseBase64Chars[nextCharacter]){
			return reverseBase64Chars[nextCharacter];
		}
		if (nextCharacter == 'A') return 0;
	}
	return END_OF_INPUT;
}

function ntos(n){
	n=n.toString(16);
	if (n.length == 1) n="0"+n;
	n="%"+n;
	return unescape(n);
}

function decodeBase64(str){
	setBase64Str(str);
	var result = "";
	var inBuffer = new Array(4);
	var done = false;
	while (!done && (inBuffer[0] = readReverseBase64()) != END_OF_INPUT
		&& (inBuffer[1] = readReverseBase64()) != END_OF_INPUT){
		inBuffer[2] = readReverseBase64();
		inBuffer[3] = readReverseBase64();
		result += ntos((((inBuffer[0] << 2) & 0xff)| inBuffer[1] >> 4));
		if (inBuffer[2] != END_OF_INPUT){
			result +=  ntos((((inBuffer[1] << 4) & 0xff)| inBuffer[2] >> 2));
			if (inBuffer[3] != END_OF_INPUT){
				result +=  ntos((((inBuffer[2] << 6)  & 0xff) | inBuffer[3]));
			} else {
				done = true;
			}
		} else {
			done = true;
		}
	}
	return result;
}