function createRequestObject() 
{
   var req;

   if(window.XMLHttpRequest)
   {
      req = new XMLHttpRequest();
   } 
   else if(window.ActiveXObject) 
   {
      req = new ActiveXObject("Microsoft.XMLHTTP");
   }
   else 
   {
      alert('hmz....muffe browser...');
   }

   return req;

}

var http = createRequestObject(); 

function sendRequest(zoekwoord) 
{

   http.open('get', 'http://www.emmen-atalanta.nl/zoek.php?zoekwoord='+zoekwoord);
   http.onreadystatechange = handleResponse;
   http.send(null);
} 

function handleResponse()
{

   if(http.readyState == 4 && http.status == 200)
   {
      if(http.responseText)
      {
         document.getElementById("resultaat").innerHTML = http.responseText; 
      }
   }
}

function callme(){
     document.getElementById("hid").style.visibility="visible";
}

function hideme(){	
     document.getElementById("hid").style.visibility="hidden"; 
}