var xmlhttp

function showArticle(journal,volume)
{

  xmlhttp=GetXmlHttpObject();
    
    if(xmlhttp==null)
    
    {
    
    alert("Your browser does not support AJAX!");
    return;
    
    }
    
    
    
    var url="getArticles.php";
    url = url + "?j=" + journal + "&v=" + volume;
    xmlhttp.onreadystatechange=stateChanged;
    xmlhttp.open("GET",url,true);
    xmlhttp.send(null);
   



}


function stateChanged()

{

 if(xmlhttp.readyState==4)
 
 {
 //document.getElementById("container").style.backgroundColor='white';
 document.getElementById("content").innerHTML = xmlhttp.responseText;
 
 }

}


function GetXmlHttpObject()

{

  if(window.XMLHttpRequest)
  
  {
  
  return new XMLHttpRequest();
  
  
  }
  
  
  if(window.ActiveXObject)
  
  {
  
  return new ActiveXObject("Microsoft.XMLHTTP");
  
  }
  
  return null;


}