function sendComment (form, container, content_type, content_id)
{
	form = $(form);
	var params = Form.serialize (form);
	var myAjax = new Ajax.Request(
      form.action,
      {
				method: 'post', 
				postBody: params,
				onLoading: function () { $('loading').style.display = 'block'},
				onComplete: returnComment.bindAsEventListener (this, container, content_type, content_id)
			}
	);
}

function returnComment (e, container, content_type, content_id)
{
	$(container).innerHTML = e.responseText;
	new Ajax.Updater(
		'comments',
		BASE_URL + '/comments/show_all/' + content_type + '/' + content_id
		)
}
function openWindow (url, width, height, scrollbars){
	window.open(url, "_blank", "toolbar=no,menubar=no,directories=no,status=no,resizable=no,location=no,scrollbars=" + scrollbars + ",height=" + height + ",width=" + width + ",left=20,top=20")
}

function login (form, container)
{
	form = $(form);
	var params = Form.serialize (form);
	var myAjax = new Ajax.Updater (
			container,
      form.action,
      {
				method: 'post', 
				postBody: params,
				onLoading: function () { $('loading').style.display = 'block'},
				onComplete: function () { $('loading').style.display = 'none'}
			}
	);
}