function toggle_visibility_index(id) {
    var i, x;
   // var divs = Array('newpatient', 'patient', 'symptoms', 'lifestyle', 'medconditions', 'diseases', 'meds', 'labs', 'alerts');  //put all the id's of the divs here in order
    var divs = Array('2012show', 'rendezvous', '2012rendezvous', 'ornaments', 'show', 'demos', 'opencarving', 'meetings', 'bored', 'announcements');  //put all the id's of the divs here in order
 for (i = 0; i < divs.length; i++){  //hide all the divs
          x = document.getElementById(divs[i]);
          x.style.display = "none";
    }
    // now make the target div visible
    x = document.getElementById(id);
    x.style.display = "block";
    }
    
    function toggle_visibility_howto(id) {
    var i, x;
   // var divs = Array('newpatient', 'patient', 'symptoms', 'lifestyle', 'medconditions', 'diseases', 'meds', 'labs', 'alerts');  //put all the id's of the divs here in order
    var divs = Array('dyeblack', 'cleanbrushes', 'bufford', 'cowboy');  //put all the id's of the divs here in order
 for (i = 0; i < divs.length; i++){  //hide all the divs
          x = document.getElementById(divs[i]);
          x.style.display = "none";
    }
    // now make the target div visible
    x = document.getElementById(id);
    x.style.display = "block";
    }