JavaScript

    <script language="javascript" type="text/javascript">
    function ajaxFunction(){
	var ajaxRequest;  // The variable that makes Ajax possible!
	
	try{
		// Opera 8.0+, Firefox, Safari
		ajaxRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser broke!");
				return false;
			}
		}
	}
	
	ajaxRequest.onreadystatechange = function(){
		if(ajaxRequest.readyState == 4){
			document.myForm.time.value = ajaxRequest.responseText;
		}
	}
	  <!-- Getting the end time		
      ds = new Date();
      e_time = ds.getTime();
			
      var res = new Object();
      res.bytes_transfered =document.getElementById('age').value <? echo strlen($random_string); ?>;			
      res.total_time_seconds = (e_time-s_time)/1000;
      res.generatied_in = <? echo round($stop_time - $start_time, 5); ?>;
      res.ip = "<? echo $_SERVER['REMOTE_ADDR'].' ['.gethostbyaddr($_SERVER['REMOTE_ADDR']).']'; ?>";
	 -->

	var queryString = "?res.bytes_transfered=" + res.bytes_transfered + "&res.total_time_seconds=" + res.total_time_seconds + "&res.generatied_in =" + res.generatied_in + "&res.ip  =" + res.ip;
	ajaxRequest.open("GET", "insert.php" + queryString, true);
	ajaxRequest.send(null); 
	 new Ajax.Request('insert.php', {

	onSuccess : function(xmlHTTP) {

        eval(mlHTTP.responseText);
    }

});

    </script>

<?php
$fecha= date("Y-m-d H:i:s"); 

$connnect= mysql_connect("localhost", "root", "123456");
	mysql_select_db("dbname");
	$res.bytes_transfered= mysql_real_escape_string($_GET['res.bytes_transfered']);
	$res.total_time_seconds= mysql_real_escape_string($_GET['res.total_time_seconds']);
	$res.generatied_in= mysql_real_escape_string($_GET['res.generatied_in']);
	$res.ip= mysql_real_escape_string($_GET['res.ip']);

					$queryreg=mysql_query("INSERT INTO grafico(Cantidad, Tiempo, IP, Bajada, Subida) VALUES ('$res.bytes_transfered','$res.total_time_seconds','$res.generatied_in','$res.ip=','0',$fecha) ");					
					if (!$queryreg) {
					
						die('No se ha podido ingresar su registro.');
					}
					else{
					
						die("Usted se ha registrado exitosamente!");
					}
	
	?>