function validate()
    {
    d = document.create_user;

    d.uname.value = Trim(d.uname.value);
    d.pwd.value = Trim(d.pwd.value);
    d.name.value = Trim(d.name.value);
    d.email.value = Trim(d.email.value);	

    if(d.uname.value=="")
      {
        alert("Please Enter username.");
        d.uname.value="";
        d.uname.focus();
        return false;
      }
    if(d.pwd.value == "" || d.pwd.value.length < 5 || d.pwd.value.length > 20 )
      {
        alert("Please Enter Password & it should be more than 5 character and less than 20 character");
        d.pwd.value ="";
        d.pwd.focus();
        return false;
      }

    if (d.pwd.value != d.repwd.value)
      {
        alert("Password and Retype Password are not same !!!");
        d.repwd.value = "";
        d.repwd.focus();
        return false;
      }
  
   if(d.name.value=="")
      {
        alert("Please Enter the full name.");
        d.name.value="";
        d.name.focus();
        return false;
      }
     if(d.email.value=="")
      {
        alert ("Please Enter Your Email address");
        d.email.focus();
        return false;
      }

   if((!(/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(d.email.value))))
      {
        alert ("Please Enter Your Email address in abc@xyz.com");
        d.email.focus();
        return false;
      }
	}