document.write('<style type="text/css">\n');
document.write('div.hiddenContent {\n');
document.write('  display: none;\n');
document.write('}\n');
document.write('<\/style>\n');
var visibleDiv = '';
var oldDiv = new Array();
function showHideDiv(id,value) {
  var obj = document.getElementById(id);
  if(obj) {
    if(obj.style) {
      obj = obj.style;
    }
    if(value == 'hide' || value == 'none') {
      obj.display = 'none';
    } else {
      obj.display = 'block';
    }
  }
}
function showDivSet(set,id) {
  if(oldDiv[set] && oldDiv[set] != '' && oldDiv[set] != id) {
    showHideDiv(oldDiv[set],'none');
  }
  oldDiv[set] = id;   
  showHideDiv(id,'block');
  return false;
}
function showHiddenDiv(idshowing) {
  if(idshowing == visibleDiv) {
    return false;
  }
  var objshowing = document.getElementById(idshowing);
  if(objshowing) {
    if(visibleDiv != '') {
      showHideDiv(visibleDiv,'hide');
    }
    visibleDiv = idshowing;
    showHideDiv(idshowing,'show');
  }
};