function preload_img() {
  var img_list = na_preload_img.arguments;
  if (document.preloadlist == null)
    document.preloadlist = new Array();
  var top = document.preloadlist.length;
  for (var i=0; i < img_list.length; i++) {
    document.preloadlist[top+i] = new Image;
    document.preloadlist[top+i].src = img_list[i+1];
  }
}

function change_img_src(name, nsdoc, rpath, preload) {
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img) {
    img.altsrc = img.src;
    img.src    = rpath;
  }
}

function restore_img_src(name, nsdoc) {
  var img = eval((navigator.appName.indexOf('Netscape', 0) != -1) ? nsdoc+'.'+name : 'document.all.'+name);
  if (name == '')
    return;
  if (img && img.altsrc) {
    img.src    = img.altsrc;
    img.altsrc = null;
  }
}

function open_window(name, url, left, top, width, height, toolbar, menubar, statusbar, scrollbar, resizable) {
  toolbar_str = toolbar ? 'yes' : 'no';
  menubar_str = menubar ? 'yes' : 'no';
  statusbar_str = statusbar ? 'yes' : 'no';
  scrollbar_str = scrollbar ? 'yes' : 'no';
  resizable_str = resizable ? 'yes' : 'no';
  window.open(url, name, 'left='+left+', top='+top+', width='+width+', height='+height+', toolbar='+toolbar_str+', menubar='+menubar_str+', status='+statusbar_str+', scrollbars='+scrollbar_str+', resizable='+resizable_str);
}

function mangle() {
  if (!document.getElementsByTagName && !document.createElement && !document.createTextNode) {
    return;
  }
  var nodes = document.getElementsByTagName("span");
  for(var i=nodes.length-1;i>=0;i--) {
    if (nodes[i].className=="stdemail") {
      var at = / at /;
      var dot = / dot /g;
      var node = document.createElement("a");
      var address = nodes[i].firstChild.nodeValue;

      address = address.replace(at, "@");
      address = address.replace(dot, ".");

      node.setAttribute("href", "mailto:"+address);
      node.appendChild(document.createTextNode(address));

      var prnt = nodes[i].parentNode;
      for(var j=0;j<prnt.childNodes.length;j++)
      if (prnt.childNodes[j] == nodes[i]) {
        if (!prnt.replaceChild) return;
        prnt.replaceChild(node, prnt.childNodes[j]);
        break;
      }
    }
  }
}

function MM_showHideLayers() { //v9.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3)
  with (document) if (getElementById && ((obj=getElementById(args[i]))!=null)) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}