function createRequestObject() {
     var ro;
     var browser = navigator.appName;
     if(browser == "Microsoft Internet Explorer"){
          ro = new ActiveXObject("Microsoft.XMLHTTP");
     }else{
          ro = new XMLHttpRequest();
     }
     return ro;
}

var http = createRequestObject();

function sndReq(action) {
    // http.open('get', 'http://jeroentiebout.net/req.php?action='+action);
     http.open('get', ' http://jeroentiebout.net/req.php?action='+action);
    
     http.onreadystatechange = handleResponse;
     http.send(null);
}

function handleResponse() {
     if(http.readyState == 4){
          var response = http.responseText;
      
 		if(response != 0 && response != 1){ 
   			backgrnd = document.getElementById('back');
   			backgrnd.src = "http://jeroentiebout.net/img/backs/"+ response;			
   		}else{
   		info_state = response;
   		NavMouseOver('info',info_state);
   		
   		}
     }
}