function pcWhatsapp(){
document.getElementById("mo_whatsapp").setAttribute("class", "pc_whatsapp")
}
function moWhatsapp(){
document.getElementById("mo_whatsapp").setAttribute("class", "mo_whatsapp")
}
if( /Android|webOS|iPhone|iPad|iPod|BlackBerry|IEMobile|Opera Mini/i.test(navigator.userAgent) ) {
moWhatsapp()
}else{
pcWhatsapp()
}