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) {
  //documentation for this script at http://www.shawnolson.net/a/503/
   var cssRules;
   if (document.all) {
    cssRules = 'rules';
   }
   else if (document.getElementById) {
    cssRules = 'cssRules';
   }
   for (var S = 0; S < document.styleSheets.length; S++){
    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;
     }
    }
   }  
}