/* This is the dynamic file upload generator */
cntr = 0;
function AddUploads() {
 var aElement=document.createElement('input');
 aElement.type='file';
 aElement.name='file' + cntr;
 aElement.id='file' + cntr;
 aElement.size=15;
 document.getElementById('dynafiles').appendChild(aElement);
 var aElementb=document.createElement('br');
 document.getElementById('dynafiles').appendChild(aElementb);
 cntr++;
};
/* this is the email validator */
/* pasted from http://javascript.internet.com/forms/email-address-validation.html but removed all the comments */
function emailCheck (emailStr) {
 var checkTLD=1;
 var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
 var emailPat=/^(.+)@(.+)$/;
 var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";
 var validChars="\[^\\s" + specialChars + "\]";
 var quotedUser="(\"[^\"]*\")";
 var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
 var atom=validChars + '+';
 var word="(" + atom + "|" + quotedUser + ")";
 var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
 var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
 var matchArray=emailStr.match(emailPat);
 if (matchArray==null) {
  alert("Email address seems incorrect (check @ and .'s)");
  return false;
 }
 var user=matchArray[1];
 var domain=matchArray[2];
 for (i=0; i<user.length; i++) {
  if (user.charCodeAt(i)>127) {
   alert("Ths username contains invalid characters.");
   return false;
  }
 }
 for (i=0; i<domain.length; i++) {
  if (domain.charCodeAt(i)>127) {
   alert("Ths domain name contains invalid characters.");
   return false;
  }
 }
 if (user.match(userPat)==null) {
  alert("The username doesn't seem to be valid.");
  return false;
 }
 var IPArray=domain.match(ipDomainPat);
 if (IPArray!=null) {
  for (var i=1;i<=4;i++) {
   if (IPArray[i]>255) {
    alert("Destination IP address is invalid!");
    return false;
   }
  }
  return true;
 }
 var atomPat=new RegExp("^" + atom + "$");
 var domArr=domain.split(".");
 var len=domArr.length;
 for (i=0;i<len;i++) {
  if (domArr[i].search(atomPat)==-1) {
   alert("The domain name does not seem to be valid.");
   return false;
  }
 }
 if (checkTLD && domArr[domArr.length-1].length!=2 && 
     domArr[domArr.length-1].search(knownDomsPat)==-1) {
  alert("The address must end in a well-known domain or two letter " + "country.");
  return false;
 }
 if (len<2) {
  alert("This address is missing a hostname!");
  return false;
 }
 return true;
}