function join_us()
  {
    if(document.getElementById("first_name").value == "")
      {
    	alert('First Name is Empty!');
        return false;
      }

    if(document.getElementById("last_name").value == "")
      {
      	alert('Last Name is Empty!');
        return false;
      }

    if(document.getElementById("male").checked == false && document.getElementById("female").checked == false)
      {
        alert('Gender is Empty!');
        return false;
      }

    if(document.getElementById("country").value == "")
      {
        alert('Country is Empty!');
        return false;
      }

    if(document.getElementById("city").value == "")
      {
        alert('City is Empty!');
        return false;
      }

    if(document.getElementById("address").value == "")
      {
        alert('Address is Empty!');
        return false;
      }

    if(document.getElementById("phone").value == "")
     {
       alert('Phone Number is Empty!');
       return false;
     }

    if(document.getElementById("email").value == "" || document.getElementById("email").value.indexOf("@") == -1 || document.getElementById("email").value.indexOf(".") == -1)
      {
        alert('E-mail is Empty!');
        return false;
      }

    if(document.getElementById("reason").value == "")
     {
       alert('Why do you want to join the club?');
       return false;
     }
  }

function contact_us()
  {
     if(document.getElementById("contact_email").value == "" || document.getElementById("contact_email").value.indexOf("@") == -1 || document.getElementById("contact_email").value.indexOf(".") == -1)
      {
        alert('E-mail is Empty!');
        return false;
      }

    if(document.getElementById("contact_subject").value == "")
      {
    	alert('Subject is Empty!');
        return false;
      }

    if(document.getElementById("contact_body").value == "")
      {
      	alert('Text is Empty!');
        return false;
      }
  }