$(function() {
$(".facteur").on("click", function(){
var $this = $(this);
var sticker = $this.attr('data-mref')
.replace(/pont/g, '.')
.replace(/arbre/g, '@')
.replace(/(.)-/g, '$1');
var boite = $("<a>", {href:"ma"+"il"+"to:"+sticker}).text(sticker);
$(this).before(boite)
.remove();
})
});