function expandShortURL(su)
{
	var nu = v2c.expandShortURL(su, true);
	if (nu) {
		return nu;
	}
 
	var conn = (new java.net.URL(su)).openConnection();
	conn.setInstanceFollowRedirects(false);
	var rc = conn.getResponseCode();
	if (rc == 301 || rc == 302 || rc == 303 || rc == 307) {
		su = conn.getHeaderField("location") + "";
	}
	if (rc == 200) {
		// ... getContent -> Encoding -> URL PatternMatch -> return expanded_url
	}
 
	return su;
}
 
var su = "any short url";
v2c.alert(expandShortURL(su));
 

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