// JavaScript Document
	function createXMLObject() 
	{ 
	   var req; 
	   if(window.XMLHttpRequest){ 
		  req = new XMLHttpRequest(); 
	   } else if(window.ActiveXObject) { 
		  req = new ActiveXObject("Microsoft.XMLHTTP"); 
	   } else { 
		  alert('Problem creating the XMLHttpRequest object'); 
	   } 
	   return req; 
	} 
	
	// Make the XMLHttpRequest object 
	var http = createXMLObject(); 
	
	function updateScores(period, page) {
		var ran_no=(Math.round((Math.random()*9999))); 
		http.open('get', '/includes/highscore_display.php?period='+period+'&page='+page+'&ran='+ran_no);
		http.onreadystatechange = function() {
			if(http.readyState == 4 && http.status == 200) { 
				var response = http.responseText;
				if(response) { 
					document.getElementById("highscores").innerHTML = http.responseText; 
				} 
			} 
		} 
		http.send(null); 
	}