var div = null;

var handleSuccess = function(o){
                        if(o.responseText !== undefined){
                            div.innerHTML = o.responseText;
                        }
                    };
                    
var handleFailure = function(o){
                        if(o.responseText !== undefined){
                            div.innerHTML = "Sorry, an error occured.";
                        }
                    };
                                  
var transactionObject = { 
    start:function(type, args){ 
        div.style.visibility='visible';
        div.innerHTML = '<br/><div style="text-align:center; vertical-align: middle;"><img src="http://images.djshop.de/blue/loadingSmall.gif" width="16" height="16" alt="loading, please wait" title="loading, please wait"/></div>'; 
    }
}

var callback =
{
  success:handleSuccess,
  failure:handleFailure,
  customevents:{ 
    onStart:transactionObject.start
  },
  argument:['foo','bar']
};


function makeAsynRequest(url,data,target){
    url2='/ajax/'+url;
    div=document.getElementById(target);
    div.style.visibility='visible';
    var request = YAHOO.util.Connect.asyncRequest('POST', url2, callback, data);
}