function reloadCalend(url, id)
{
	var obj = document.getElementById(id);
	if(obj != 'undefined')
	{
		if(obj.ajax_request)
		{
			requestAbort(obj.ajax_request);
		}
		obj.oldClassName = new String(obj.className);
		obj.className += " loading";
		obj.ajax_request = execRequest(url, 'setCalendarContent', obj);
	}
}

function setCalendarContent(content, obj)
{
	obj.className= obj.oldClassName;
	obj.innerHTML = content.responseText;
	obj.ajax_request = null;
}