/* =========================== */
/* popup windows */
function info(a,s){
  window.open(a.href,a.target,"width="+s+",height="+s+",resizable=yes,menubar=no");
  return false;
}

function popup(a,w,h) {
  var sw=screen.availWidth-10;
  var sh=screen.availHeight-28;
  var p="top="+Math.floor(sh/2-h/2)+",left="+Math.floor(sw/2-w/2)+",width="+w+",height="+h+",dependent=yes,menubar=no,toolbar=no,statusbar=no,scrollbars=yes";
  window.open(a.href,a.target,p);
  return false;
}

/* =========================== */
/* menu swapping (gif) */
function gifOn(name) {
if (document.images){
  var img=document[name];
  var src=img.src;
  img.src=src.substring(0,src.length-6)+"2p.gif";
}}

function gifOff(name) {
if (document.images){
  var img=document[name];
  var src=img.src;
  img.src=src.substring(0,src.length-6)+"1p.gif";
}}

/* menu swapping (jpg) */
function jpgOn(name) {
if (document.images){
  var img=document[name];
  var src=img.src;
  img.src=src.substring(0,src.length-6)+"2p.jpg";
}}

function jpgOff(name) {
if (document.images){
  var img=document[name];
  var src=img.src;
  img.src=src.substring(0,src.length-6)+"1p.jpg";
}}

/* =========================== */
/* auto image preloading for rollovers */
function autoPreload() {
  var d=document;
  if(d.images){
    d.MM_p=new Array();
    var j=0;
    var i,len=d.images.length;
    var src,slen,match;
    for (i=0;i<len;i++) {
      src=d.images[i].src;
      slen=src.length;
      match=src.substr(slen-6);
      if ('1p.jpg'==match) {
        d.MM_p[j]=new Image;
        d.MM_p[j++].src=src.substring(0,slen-6)+'2p.jpg';
      }
      else if ('1p.gif'==match) {
        d.MM_p[j]=new Image;
        d.MM_p[j++].src=src.substring(0,slen-6)+'2p.gif';
      }
    }
  }
}