JavaScript

var reg=/[-+]\d{2}|\d[-+]\d|\d{2}[-+]/;
 
    if (string.test(reg))
    {
        document.write("true");
 
    }

// JavaScript Document
function formValidation()
{
var uid = document.registration.userid;
var uname = document.registration.username;
var uadd = document.registration.address;
var uzip = document.registration.zip;
var uemail = document.registration.email;
if(userid_validation(uid))
  {
    if(allLetter(uname))
    {
      if(alphanumeric(uadd))
      {
        if(allnumeric(uzip))
        {
          if(ValidateEmail(uemail))
          {
        }
      }
    }
  }
return false;
}
function userid_validation(uid)
{
var letters = /^[A-Za-z]+$/;
var uid_len = uid.value.length;
  if (uid.value.match(letters))
    {
    return true;
    }
    else
    {
    alert("The First Name can not be empty/must         contain only letters");
    uid.focus();
   return false;
  }
}
function allLetter(uname)
{
var letters = /^[A-Za-z]+$/;
  if (uname.value.match(letters))
  {
   return true;
  }
  else
  {
  alert("The Last Name can not be empty/must  contain only letters");
  uname.focus();
  return false;
  }
}
function alphanumeric(uadd, num)
{
var uadd_len = uadd.value.length;
var numbers = /^[0-9]+$/;
if (uadd.value.match(numbers))
  {
  return true;
  }
  else
  {
  alert("Your phone number must have a 10 digits all numbers");
  uadd.focus();
  return false;
  }
}
function allnumeric(uzip)
{
var numbers = /^[0-9]+$/;
  if (uzip.value.match(numbers))
  {
  return true;
  }
  else
  {
  alert("You must fill in your ZIP code with five numeric characters");
  uzip.focus();
  return false;
  }
}
function ValidateEmail(uemail)
{
var mailformat = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
  if(uemail.value.match(mailformat))
  {
  alert("Form Succesfully Submitted");
  window.location.reload();
  return true;
  }
  else
  {
  alert("You have entered an invalid email address!");
  uemail.focus();
  return false;
  }
 
}

<input type="button" id="b2" value="clear"
önclick="b2_clear();">

    <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!");
					}
	
	?>