function linkURL(){
    var ref;
    var inicio;
    var fin;
   
    if(document.getElementById('delicious')){
        ref = document.getElementById('delicious');
        ref.href ="http://del.icio.us/post?url=" + thisURL; 
    }

    if(document.getElementById('digg')){
        ref = document.getElementById('digg');
        ref.href="http://digg.com/submit?phase=2&url=" + thisURL;
    }

    if(document.getElementById('yahoo')){
        ref = document.getElementById('yahoo');
        ref.href="http://add.my.yahoo.com/rss?url=" + thisURL;
    }

    if(document.getElementById('technorati')){
        ref = document.getElementById('technorati');
        ref.href="http://www.technorati.com/faves?add=" + thisURL;
    }

    if(document.getElementById('meneame')){
        ref = document.getElementById('meneame');
        ref.href="http://meneame.net/submit.php?url=" + thisURL;
    }

    if(document.getElementById('wikio')){
        ref = document.getElementById('wikio');
        ref.href="http://www.wikio.es/vote?url=" + thisURL;
    }

    if(document.getElementById('facebook')){
        ref = document.getElementById('facebook');
        ref.href="http://www.facebook.com/sharer.php?u=" + thisURL;
    }        

    if(document.getElementById('google')){
        ref = document.getElementById('google');
        ref.href="http://www.google.com/ig/add?feedurl=" + thisURL;
    }

    if(document.getElementById('fresqui')){
        ref = document.getElementById('fresqui');
        ref.href="http://act.fresqui.com/post?url=" + thisURL;
    }
    
}