$(document).ready(function()
{
var debut = 'vousdevezutiliser';
var at = / lejavascript /;
var milieu = 'pourvoir';
var dot = / le /;
var fin = 'mail';
$('span.mailnaeka').each(function () {
var addr = $(this).text().replace(debut,"contact").replace(at,"@").replace(milieu,"naeka").replace(dot,".").replace(fin,"fr");
$(this).after('<span class="contact_mail png_bg">'+ addr +'</span>');
$(this).remove();
});
}
);