function setup() {
  changecss('.featurelinkhidespan','display','inline');
  changecss('.featurebody','display','none');
}

function show(id) {
  document.getElementById(id).style.display = 'block';
}

function hide(id) {
  document.getElementById(id).style.display = 'none';
}

function changecss(theClass,element,value) 
{


	
  for (var S = 0; S < document.styleSheets.length; S++)
  {
    if (document.styleSheets[0].cssRules)
    {
      for (var R = 0; R < document.styleSheets[S].cssRules.length; R++) 
      {
        if (document.styleSheets[S].cssRules[R].selectorText == theClass) 
        {
          document.styleSheets[S].cssRules[R].style[element] = value;
        }
      }
    }
    else if (document.styleSheets[0].rules)
    {
      for (var R = 0; R < document.styleSheets[S].rules.length; R++) 
      {
        if (document.styleSheets[S].rules[R].selectorText == theClass) 
        {
          document.styleSheets[S].rules[R].style[element] = value;
        }
      }    
    }
  }
  
}