function createTCObject() { 
   var req; 
   if(window.XMLHttpRequest){ 
      request = new XMLHttpRequest(); 
   } else if(window.ActiveXObject) { 
      request = new ActiveXObject("Microsoft.XMLHTTP"); 
   } else { 
      alert('Problem creating the XMLHttpRequest object'); 
   } 
   return request; 
} 

// Make the XMLHttpRequest object 
var http = createTCObject(); 

function displayThumbCal(m,y) {
	http.open('get', '/calendar/thumb/'+y+'/'+m+'/');
   	http.onreadystatechange = function() {
		if(http.readyState == 4 && http.status == 200) { 
      		var response = http.responseText;
      		if(response) { 
				document.getElementById("thumbCal").innerHTML = http.responseText; 
      		} 
   		} 
	} 
   	http.send(null); 
}