// basic script to check valid email address
// David Carl Evans
// quadrupod@quadrupod.screaming.net

function validemail(){
var emailString=(document.regform.email.value)
  if ((emailString=="")||(emailString.indexOf(" ")!=-1)||(emailString.indexOf("@")==-1)||(emailString.indexOf(".")==-1)){
  	alert ("Please enter a valid e-mail address");
	document.regform.email.focus();
  return false;
  }else{
  document.regform.submit();
  }
}