function externalLinksTarget() {
    var baseUrl = location.href.toString().replace( /^(http:\/\/[^\/]+\/).*$/gi, '$1' );
    var re = new RegExp( '^' + baseUrl.replace( /([\.\/\-])/gi, '\\$1' ), 'gi' ); // TODO : autres caréactères ?
    var links = document.getElementsByTagName( 'a' );
    for( var i = 0 ; i < links.length ; i++ ) {
        if( !links[i].href.match( re ) ) {
            links[i].onclick = function( link ) { window.open( this.href ); return false; };
        }
    }
}