var Readspeaker_sduconnect = {
    div_id : '',
    
    replaceDivId: function() {
        if (document.getElementById('readspeaker_button_link1'))
        {
            var old_href = document.getElementById('readspeaker_button_link1').href;
            document.getElementById('readspeaker_button_link1').href = old_href.replace(/readid=[^&]*&/, 'readid='+Readspeaker_sduconnect.div_id+'&');
        }
    },
    
    init: function (){
        if (document.getElementById('readspeaker_div_id'))
        {
           Readspeaker_sduconnect.div_id = document.getElementById('readspeaker_div_id').value;
        }
        if (Readspeaker_sduconnect.div_id != '')
        {
            Readspeaker_sduconnect.replaceDivId();
        }
    }
}
Readspeaker_sduconnect.init();