function ajaxRequest(strTargetDiv, strUrl, strParams, strImageLevel)
{
	var strUrl = strUrl + 'ajax.php';
	var myAjax = new Ajax.Updater(strTargetDiv, strUrl, {
		method: 'get',
		onLoading: function() {
			Element.update(strTargetDiv, '<p><img src="' + strImageLevel + 'images/ajax/working.gif" alt="loading" \/><br \/> Loading content...<\/p>')
		},
		onFailure: function() {
			Element.update(strTargetDiv, '<p><img src="' + strImageLevel + 'images/misssing.gif" alt="content missing" \/><br \/> Unable to load content...<\/p>')
		},
		parameters: strParams
	});
}