var fDesc=new Array(); fDesc[0] = "Chat Undetected lets you disable Facebook Messenger’s read receipt feature, preventing others from seeing if you have viewed a message or not.

With Facebook Messenger’s read receipt feature, anytime you chat with someone on Facebook you can see if they’ve read your message and vice-versa.

There are many occasions where you won’t want someone to know if you’ve read their message or not. Chat Undetected lets you disable this feature so that you go undetected."; function tShowHide(id, show) { var s = document.getElementById("desc"); if ((s.innerHTML.length<=212 || show==1) && show!=2) { s.innerHTML = fDesc[id]; if (document.getElementById('m1')) document.getElementById('m1').style.display='none'; if (document.getElementById('m2')) document.getElementById('m2').style.display='none'; if (document.getElementById('more_txt')) document.getElementById('more_txt').style.display='inline'; } else { s.innerHTML = ''; } }