function blgUpdateMicroBlog(usrId) 
{
	var text = $('#microBloggingText').val();
	var container = getById('microBloggingContainer');
	
	var request = new AjaxRequest(pathPrefix + '/Ajax/blgUpdateMicroBlog' + firstSeperator + 'usrId=' + usrId, false, true);
	request.setPostvars('text=' + encodeURIComponent(text));
	request.ajaxLoadingOverlay(container);
	request.callFunction = function(request) {
		$('#microBlogLastUpdate').html('(' + request.responseText + ')');
	};
	request.doRequest();
}