function MM_reloadPage(init){ //reloads the window if Nav4 resized
  if (init == true) 
    with (navigator) {
      if ((appName == "Netscape") && (parseInt(appVersion) == 4)) {
        document.MM_pgW = innerWidth;
        document.MM_pgH = innerHeight;
        onresize = MM_reloadPage;
      }
    }
  else 
    if (innerWidth != document.MM_pgW || innerHeight != document.MM_pgH) 
      location.reload();
}

MM_reloadPage(true);

function MM_preloadImages(){ //v3.0
  var d = document;
  if (d.images) {
    if (!d.MM_p) 
      d.MM_p = new Array();
    var i, j = d.MM_p.length, a = MM_preloadImages.arguments;
    for (i = 0; i < a.length; i++) 
      if (a[i].indexOf("#") != 0) {
        d.MM_p[j] = new Image;
        d.MM_p[j++].src = a[i];
      }
  }
}

function MM_swapImgRestore(){ //v3.0
  var i, x, a = document.MM_sr;
  for (i = 0; a && i < a.length && (x = a[i]) && x.oSrc; i++) 
    x.src = x.oSrc;
}

function MM_findObj(n, d){ //v4.01
  var p, i, x;
  if (!d) 
    d = document;
  if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
    d = parent.frames[n.substring(p + 1)].document;
    n = n.substring(0, p);
  }
  if (!(x = d[n]) && d.all) 
    x = d.all[n];
  for (i = 0; !x && i < d.forms.length; i++) 
    x = d.forms[i][n];
  for (i = 0; !x && d.layers && i < d.layers.length; i++) 
    x = MM_findObj(n, d.layers[i].document);
  if (!x && d.getElementById) 
    x = d.getElementById(n);
  return x;
}

function MM_swapImage(){ //v3.0
  var i, j = 0, x, a = MM_swapImage.arguments;
  document.MM_sr = new Array;
  for (i = 0; i < (a.length - 2); i += 3) 
    if ((x = MM_findObj(a[i])) != null) {
      document.MM_sr[j++] = x;
      if (!x.oSrc) 
        x.oSrc = x.src;
      x.src = a[i + 2];
    }
}

function esEmail(field){
  if (field.search(/^([a-zA-Z0-9_\-\.]+@{1}[\w-_]+(\.[\w_-]+)+)$/) == -1) {
    return false;
  }
  else {
    return true;
  }
}