function initAjaxRequest() {
 
 var request;
 
 if (window.ActiveXObject) {
  request = new ActiveXObject("Microsoft.XMLHTTP");
 } else {
  request = new XMLHttpRequest();
 }
 
 return request;

}

function sendAjaxGetRequest(url, container) {
	
 ajaxRequest = initAjaxRequest();
	
 var rand = Math.random();
	
 ajaxRequest.open('GET', ''+url+'&rand='+rand+'');
 ajaxRequest.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
 ajaxRequest.onreadystatechange = function() {
 
 if (ajaxRequest.readyState == 4) {
  document.getElementById(container).innerHTML = ajaxRequest.responseText;
  $(function() {
	$('a[@rel*=lightbox]').lightBox(); 
  });
 }
 
 }
 
 ajaxRequest.send(null);

}

function ShowSearchPreview(id, welke, pid){
   sendAjaxGetRequest('/templates/content/ajax.php?id='+id+'&pid='+pid, 'tabblad_prod');	
   if(document.getElementById('tabblad1')) document.getElementById('tabblad1').className='tabs';
   if(document.getElementById('tabblad2')) document.getElementById('tabblad2').className='tabs';
   if(document.getElementById('tabblad3')) document.getElementById('tabblad3').className='tabs';
   if(document.getElementById('tabblad4')) document.getElementById('tabblad4').className='tabs';
   if(document.getElementById('tabblad'+welke)) document.getElementById('tabblad'+welke).className='tabs_sel';
}