function isSpam(email,theDomain){

	var invalidaddress=new Array();
	invalidaddress[0]=theDomain;
	//invalidaddress[1]="baroquedub.co.uk";
	
	var exceptNames=new Array();
	exceptNames[0]="jerome";
	//exceptNames[1]="duck";

	
	var tempstring=email.split("@");
	for (i=0;i<invalidaddress.length;i++){
		if (tempstring[1]==invalidaddress[i]){
			if ((tempstring[0]!=exceptNames[0])&&(tempstring[0]!=exceptNames[1])){
				return true;
				break;
			}
		}
	}
	return false;
}

function isValidEmail(email, required) {
    if (required==undefined) {   // if not specified, assume it's required
        required=true;
    }
    if (email==null) {
        if (required) {
            return false;
        }
        return true;
    }
    if (email.length==0) {  
        if (required) {
            return false;
        }
        return true;
    }
    if (! allValidChars(email)) {  // check to make sure all characters are valid
        return false;
    }
    if (email.indexOf("@") < 1) { //  must contain @, and it must not be the first character
        return false;
    } else if (email.lastIndexOf(".") <= email.indexOf("@")) {  // last dot must be after the @
        return false;
    } else if (email.indexOf("@") == email.length) {  // @ must not be the last character
        return false;
    }
	
	
	
    return true;
}

function allValidChars(email) {
  var parsed = true;
  var validchars = "_abcdefghijklmnopqrstuvwxyz0123456789@.-";
  for (var i=0; i < email.length; i++) {
    var letter = email.charAt(i).toLowerCase();
    if (validchars.indexOf(letter) != -1)
      continue;
    parsed = false;
    break;
  }
  return parsed;
}