View file ajax/js/ajax_counts.js

function show() {
    $.ajax({ 
    url: "/ajax/ajax_counts.php", 
    cache: false, 
    success: function(html){ 
	$("#ajax_counts").html(html); 
    } 
    }); 
} 
$(document).ready(function(){ 
    show(); 
    setInterval('show()',5000); 
	
});