var xmlHttp = null;

function showResults(filename, str) { 
	GetXmlHttpObject();

	if (xmlHttp==null) {
		alert ("Your browser does not support AJAX!");
		return;
	} 

	var url=filename;
	url=url+str;
	url=url+"&sid="+Math.random();

	xmlHttp.onreadystatechange = stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}

function stateChanged() { 
	if (xmlHttp.readyState==4) {
		document.getElementById('calendar').innerHTML=xmlHttp.responseText;
	}
}

function GetXmlHttpObject() {
	try { // Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e) { // Internet Explorer
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
	    catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
}