function SubmitFriend(friendform) {

if (friendform.yourname.value == "") {
    friendform.yourname.focus()
    alert("Please enter your name")
    return false
    }
	
if (friendform.friendname.value == "") {
    friendform.friendname.focus()
    alert("Please enter your friend's name")
    return false
    }
	
if (friendform.friendemail.value == "") {
       friendform.friendemail.focus()
      alert("Please enter your friend's email address")
      return false
    }

if (friendform.friendemail.value.length < 6) {
       friendform.friendemail.focus()
      alert("Please enter a valid email address")
      return false
    }

if (friendform.friendemail.value.indexOf("@") == 0) {
       friendform.friendemail.focus()
      alert("Please enter a valid email address")
      return false
    }

if (friendform.friendemail.value.indexOf(".") == 0) {
       friendform.friendemail.focus()
      alert("Please enter a valid email address")
      return false
    }




}