// Place your application-specific JavaScript functions and classes here
// This file is automatically included by javascript_include_tag :defaults


function simplePreload()
{ 
  var args = simplePreload.arguments;

  document.imageArray = new Array(args.length);

  for(var i=0; i<args.length; i++)

  {

      document.imageArray[i] = new Image;

      document.imageArray[i].src = args[i];
    }

}

function checkEmail(email) {
  var pattern = /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/;

  email_sender = document.getElementById("email_sender");

  if (!email_sender.value.match(new RegExp(pattern))) {
    email_sender.focus();
    alert('Invalid E-mail address format!');
    return false;
  }

  email = document.getElementById("email");

  if (!email.value.match(new RegExp(pattern))) {
    email.focus();
    alert('Invalid E-mail address format!');
    return false;
  }

  return true;
}