var handleSuccess = function(o){

	if(o.responseText !== undefined){				 
		document.getElementById('white_middle').innerHTML = o.responseText;
	}
}

var handleFailure = function(o){

	if(o.responseText !== undefined){
		alert("Could Not Retrieve Information");
	}
}

var callback =
{
  success:handleSuccess,
  failure:handleFailure,
  argument: { none:"none"}
};

var sUrl = "ajax.php";

function makeRequest(postData,total_count){
	var request = YAHOO.util.Connect.asyncRequest('POST', sUrl, callback, postData);
}