+ js.append(" else if(metas[i].getAttribute('property')=='og:type')");
+ js.append(" metas[i].setAttribute('content','website');");
+ if (desc != null) {
+ js.append(" else if(metas[i].getAttribute('property')=='og:decription')");
+ js.append(" metas[i].setAttribute('content','" + desc + "');");
+ }