function validate_required(field,alerttxt)
{
with (field)
  {
  if (value == null||value == "")
    {
    alert(alerttxt);return false;
    }
  else
    {
    return true;
    }
  }
}

function validate_form(thisform)
{

with (thisform)
  {
  if (validate_required(firstName,"First Name must be filled out!") == false)
  {firstName.focus();return false;}
  }
  
  with (thisform)
  {
  if (validate_required(lastName,"Last Name must be filled out!") == false)
  {lastName.focus();return false;}
  }
  
with (thisform)
  {
  if (validate_required(email,"Email must be filled out!")==false)
  {email.focus();return false;}
  }
  
}


function welcome()
{
alert("Hello");return false;
}