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];
    }
}

// xGetElementById, Copyright 2001-2006 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xGetElementById(e) {
  if(typeof(e)=='string') {
    if(document.getElementById) e=document.getElementById(e);
    else if(document.all) e=document.all[e];
    else e=null;
  }
  return e;
}

// xGetElementsByTagName, Copyright 2002-2006 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xGetElementsByTagName(t,p) {
  var list = null;
  t = t || '*';
  p = p || document;
  if (p.getElementsByTagName) { // DOM1
    list = p.getElementsByTagName(t);
    if (t=='*' && (!list || !list.length)) list = p.all; // IE5 '*' bug
  }
  else { // IE4 object model
    if (t=='*') list = p.all;
    else if (p.all && p.all.tags) list = p.all.tags(t);
  }
  return list || new Array();
}


// xPrevSib, Copyright 2005-2006 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xPrevSib(e,t) {
  e = xGetElementById(e);
  var s = e ? e.previousSibling : null;
  while (s) {
    if (s.nodeType == 1 && (!t || s.nodeName.toLowerCase() == t.toLowerCase())){break;}
    s = s.previousSibling;
  }
  return s;
}



// xCollapsible, Copyright 2004-2006 Michael Foster (Cross-Browser.com)
// Part of X, a Cross-Browser Javascript Library, Distributed under the terms of the GNU LGPL

function xCollapsible(outerEle, bShow) { // object prototype
  // Constructor

  var container = xGetElementById(outerEle);
  if (!container) {return null;}
  var isUL = container.nodeName.toUpperCase() == 'UL';
  var i, trg, aTgt = xGetElementsByTagName(isUL ? 'UL':'DIV', container);
  for (i = 0; i < aTgt.length; ++i) {
    trg = xPrevSib(aTgt[i]);
    if (trg && (isUL || trg.nodeName.charAt(0).toUpperCase() == 'H')) {
      aTgt[i].xTrgPtr = trg;
      aTgt[i].style.display = bShow ? 'block' : 'none';
      trg.style.cursor = 'pointer';
      trg.xTgtPtr = aTgt[i];
      trg.onclick = trg_onClick;
    }  
  }
  
  // Private

  function trg_onClick() {
    var tgt = this.xTgtPtr.style;
    tgt.display = (tgt.display == 'none') ? "block" : "none";
  }

  // Public

  this.displayAll = function(bShow) {
    for (var i = 0; i < aTgt.length; ++i) {
      if (aTgt[i].xTrgPtr) {
	aTgt[i].style.display = bShow ? "block" : "none";
      }
    }
  };

  // The unload listener is for IE's circular reference memory leak bug.
  this.onUnload = function() {
    if (!container || !aTgt) {return;}
    for (i = 0; i < aTgt.length; ++i) {
      trg = aTgt[i].xTrgPtr;
      if (trg) {
	if (trg.xTgtPtr) {
	  trg.xTgtPtr.TrgPtr = null;
	  trg.xTgtPtr = null;
	}
	trg.onclick = null;
      }
    }
  };
}