function contactusvalidate(){
 
 if (document.getElementById("name").value== "" )
  {
   
    alert ( " Please enter Your Name " );
     document.getElementById("name").focus();
  return false;
  }

 if (document.getElementById("email").value== "" )
  {
   
    alert ( " Please enter Your Email " );
     document.getElementById("email").focus();
  return false;
  }
 
if (document.getElementById("email").value.indexOf("@") == -1)
    {
        alert(" Please enter a valid E-mail address.");
        document.getElementById("email").focus();
        return false;
    }
if (document.getElementById("email").value.indexOf(".") == -1)
    {
        alert(" Please enter a valid E-mail address.");
          document.getElementById("email").focus();
        return false;
    }
 
  if (document.getElementById("subject").value== "" )
  {
   
    alert ( " Please enter Your Subject " );
     document.getElementById("subject").focus();
  return false;
  }

  if (document.getElementById("comment").value== "" )
  {
   
    alert ( " Please enter Your Message " );
     document.getElementById("comment").focus();
  return false;
  }

   if (document.getElementById("captcha").value== "" )
  {
   
    alert ( " Please enter above string " );
     document.getElementById("captcha").focus();
  return false;
  }
 
 if (document.getElementById("captcha").value != document.getElementById("captcha1").value )
  {
   
    alert ( " You entered wrong captcha string.Please re-enter. " );
     document.getElementById("captcha").focus();
  return false;
  }

return true;
 

}