Validators.js example

gistfile1.html

<form>
    <table width="400px">
        <tr> <td>First name</td> <td><input type="text" id="first"/></td></tr>
	<tr> <td>Last name</td> <td>  <input type="text" id="last"/></td> </tr>
	<tr> <td>Email address</td> <td> <input type="text" id="email"/></td> </tr>
	<tr> <td>Password</td> <td> <input type="password" id="pass"/></td> </tr>
	<tr> <td> <input type="button" value="Submit" onclick="validateSubmit()"> </input> </td></tr>
    <table>	             
</form>
...
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.5/jquery.min.js"></script>
<script src="validators.js"></script>
      
<script type="text/javascript" >
   function validateSubmit() {
       Validators({
	 "input": new EmptyValidator(),
	 "#email": new EmailValidator("Please enter a valid email address"),
	 "#pass": new LengthValidator(6, "The password should be atleast 6 characters")
	 }, function () {
	    alert("Form validated, now sending data ...");
	  });	
	}			
</script>