function loadAjaxRequest(strTargetDiv, strParams, strMethod)
{
	var strUrl = 'ajax.php';
	var objAjax = new Ajax.Request(
			strUrl, 
   			{
				method: strMethod, 
				onLoading: function() { Element.update(strTargetDiv, $('ajax_working').innerHTML); }, 
				onFailure: function() { Element.update(strTargetDiv, $('ajax_failed').innerHTML); }, 
				onSuccess: function (response) { Element.update(strTargetDiv, response.responseText); }, 
				parameters: strParams
			}
		);
}