var xmlHttp

function deletePic(url,name,courseid,repoid,category){
  xmlHttp=GetXmlHttpObject();
  if (xmlHttp==null)
    {
    alert ("Your browser does not support AJAX!");
    return;
    } 
   
   confirm("Weet u zeker dat u deze afbeelding wilt verwijderen?");
    
  var url="deletePictures.php";
  url=url+"?url="+url;
  url=url+"&name="+name;
  url=url+"&courseid="+courseid;
  url=url+"&repoid="+repoid;
  url=url+"&cat="+category
  xmlHttp.onreadystatechange=stateChanged;
  xmlHttp.open("GET",url,true);
  xmlHttp.send(null);
} 

function stateChanged() { 
if (xmlHttp.readyState==4)
{ 
document.getElementById("pictures").innerHTML=xmlHttp.responseText;

}
}

function GetXmlHttpObject(){
var xmlHttp=null;
try
  {
  // Firefox, Opera 8.0+, Safari
  xmlHttp=new XMLHttpRequest();
  }
catch (e)
  {
  // Internet Explorer
  try
    {
    xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
    }
  catch (e)
    {
    xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
    }
  }
return xmlHttp;
}