var windowIndex = 1;
function openWindow(id,src,width,height){
  var windowID = window.open(src,id,'scrollbars,resizable,WIDTH='+width+',HEIGHT='+height);
  windowID.focus();
  windowIndex++;
};

function validEmail(address){
  var atCount = 0;
  var dotCount = 0;
  var v = true;
  var i;
  if (address == '') { v = false };
  if (v) {
    for (i = 0; i <= address.length; i++){
      if (address.charAt(i) == '@') { atCount++ };
      if (address.charAt(i) == '.') { dotCount++ };
    }
    if (atCount != 1) { v = false };
    if (dotCount == 0) { v = false };
    if (address.indexOf(' ') > -1) { v = false };
    if (address.indexOf('\'') > -1) { v = false };
    if (address.indexOf('"') > -1) { v = false };
    if (address.indexOf(',') > -1) { v = false };
    if (address.indexOf(';') > -1) { v = false };
    if (address.indexOf(String.fromCharCode(13)) > -1) { v = false };
  }
  return v;
}