var ajaxcasestudies;

function casestudiesSwitch(urii)      
{
ajaxcasestudies=null;
if (window.XMLHttpRequest)
  {// code for Firefox, Opera, IE7, etc.
  ajaxcasestudies=new XMLHttpRequest();
  }
else if (window.ActiveXObject)
  {// code for IE6, IE5
  ajaxcasestudies=new ActiveXObject("Microsoft.XMLHTTP");
  }
if (ajaxcasestudies!=null)
  {
  ajaxcasestudies.onreadystatechange=state_Change_case;
  ajaxcasestudies.open("GET",urii,true);
  ajaxcasestudies.send(null);
  }
else
  {
  alert("Your browser does not support XMLHTTP.");
  }
}

function state_Change_case()
{
if (ajaxcasestudies.readyState==4)
  {// 4 = "loaded"
  if (ajaxcasestudies.status==200)
    {// 200 = "OK"
    document.getElementById('casestudiescontainer').innerHTML=ajaxcasestudies.responseText;
    }
  else
    {
    alert("Error: " + ajaxcasestudies.statusText + "?");
    }
  }
}