function checkURL(u,cx) {
//cx.applyImageViewURLReplace = true;
hr = v2c.createHttpRequest(u);
hr.setRequestProperty('User-Agent','Mozilla/5.0 (compatible)');
ret_str = hr.getContentsAsString();
if(hr.responseCode != 200){
return null;
}else if(ret_str.match(/thumbnailUrl:\s+\'([^']+)/))
{
u = RegExp.$1.replace(/%3A/g, ":").replace(/%2F/g, "/");
}
cx.setRequestProperty('User-Agent','Mozilla/5.0 (compatible)');
return u;
}
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