// FUNCTION : Show/Hide Divs
// Found at http://blog.movalog.com/a/javascript-toggle-visibility/
//-------------------------------------------------------------------

function togVis(id) {
       var c = document.getElementById(id);
       if(c.style.visibility == 'hidden')
          c.style.visibility = 'visible';
       else
          c.style.visibility = 'hidden';
}

function visOff (id) {
       var c = document.getElementById(id);
       c.style.visibility = 'hidden';
}

function visOn (id) {
       var c = document.getElementById(id);
       c.style.visibility = 'visible';
}