function onlyint(e)
{
	if (window.event) keynum = e.keyCode;
	else if (e.which) keynum = e.which;

	if (keynum == 0x08) return true;
	else if (keynum == 0x09) return true;
  else if (keynum == 0x20) return true;
  else if ((keynum == 0x28) || (keynum == 0x29)) return true;
	else if ((keynum == 0x24) || (keynum == 0x2E) ||
           (keynum == 0x2C) || (keynum == 0x2D)) return true;
	else if ((keynum >= 0x30) && (keynum <=0x39)) return true;
	return false;
}

function checkForm(f) {
   if (f.fname.value.length < 1) {
        alert("Please enter first name.");
        f.fname.focus(); 
        return false;
     }

   if (f.lname.value.length < 1) {
      alert("Please enter last name.");
      f.lname.focus(); 
      return false;
   }     

  if (f.email.value.indexOf("@") + "" == "-1" || f.email.value.indexOf(".") + "" == "-1" || f.email.value == "" )
     { 
      alert("Please enter email address in correct format.");
      f.email.focus();
      return false;
     }
  if (f.email.value != f.cEmail.value)
  {
    alert ("Please verify your email address.");
    f.cEmail.value="";
    f.cEmail.focus();
    return false;
  }
  return true;
}