function ajaxUpdateCalendar( elemid, url, options )
		{
		 var params = options.params || "";
		 var meth = options.meth || "post";
		 var async = options.async || true;
		 var startfunc = options.startfunc || "";
		 var endfunc = options.endfunc || "";
		 var errorfunc = options.errorfunc || "";
		 var req = false;
		 if( window.XMLHttpRequest )
		 req = new XMLHttpRequest();
		 else if( window.ActiveXObject )
		 req = new ActiveXObject( "Microsoft.XMLHTTP" );
		 else
		 {
		 alert( "Your browser cannot perform the requested action. "+
		 "Either your security settings are too high or your "+
		 "browser is outdated. Try the newest version of "+
		 "Internet Explorer or Mozilla Firefox." );
		 return false;
		 }
		 if( startfunc != "" )
		 eval( startfunc );
		 req.open( meth, url+( params != "" ? "?"+params : "" ), async );
		 req.setRequestHeader( "Content-Type", "application/x-www-form-urlencoded" );
		 req.onreadystatechange =
		 function()
		 {
		  if ( req.readyState == 4 )
		  {
		   if ( req.status == 200 )
		   {
			document.getElementById(elemid).innerHTML = req.responseText;
			if( endfunc != "" )
			eval( endfunc );
			return true;
		   }
		   else
		   {
			if( endfunc != "" )
			 eval( endfunc );
			if( errorfunc != "" )
			 eval( errorfunc );
			return false;
		   }
		  }
		 };
		 req.send(null);
		}

		function calendar(month, path){
		 ajaxUpdateCalendar( "calendar", path, {params:"module=events&action=calendar" + "&month=" + month});
		}