$( document ).ready( function()
{
    var container = [];
    $( 'span.email' ).each( function() { container[ container.length ] = [ $( this ), $( this ).html().replace( '(a)', "@" ) ]; });
    for(var i in container)
        container[i][0].html( '<a href="mailto:' + container[i][1] + '">' + container[i][1] + '</a>' );
});