function toggleLayer( whichImage, whichLayer )
{
  var elem, vis, imgElem;
  if( document.getElementById ) // this is the way the standards work
    elem = document.getElementById( whichLayer );
    imgElem = document.getElementById( whichImage ); 
//  else if( document.all ) // this is the way old msie versions work
//      elem = document.all[whichLayer];
//      imgElem = document.all[whichImage];
//  else if( document.layers ) // this is the way nn4 works
//    elem = document.layers[whichLayer];
//    imgElem = document.layers[whichImage];
      
   vis = elem.style;
  if(vis.display==''&&elem.offsetWidth!=undefined&&elem.offsetHeight!=undefined)
  vis.display = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'block':'none'; 
  vis.display = (vis.display==''||vis.display=='block')?'none':'block';
  imgElem.src = (elem.offsetWidth!=0&&elem.offsetHeight!=0)?'/images/fft/TreeExpand.gif':'/images/fft/TreeRetract.gif'; 
  imgElem.src = (vis.display==''||vis.display=='block')?'/images/fft/TreeRetract.gif':'/images/fft/TreeExpand.gif';

 }

// this hides children of the top nodes in the Site Map. Thus if JS is not enabled the whole site map tree is visable
  function StyleUls(){
        uls  = document.getElementById("sitemapstart").getElementsByTagName("ul");
        for(i=0; i<uls.length; i++){
          document.getElementById(uls[i].id).style.display="none";
        } 
    } 

// this swap the site map ul images to a plus sign if javascipt is enabled indicating that the user can expand the tree
 function SwapImages(){
        img  = document.getElementById("sitemapstart").getElementsByTagName("img");
        for(i=0; i<img.length; i++){
          document.getElementById(img[i].id).setAttribute("src", "/images/fft/TreeExpand.gif");
        } 
    } 




function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

addLoadEvent(CreatePrintLink);

function CreatePrintLink()
{
  if(!document.getElementById) return false;

  var printLinkParagraph = document.getElementById("pageActions");

  if(!printLinkParagraph) return false;

  var backLink = document.getElementById("backToTop");

  if(!backLink) return false;

  var newLink = document.createElement("a");
  newLink.href = "#";
  newLink.onclick = function(){window.print();return false;}
  newLink.innerHTML = 'print this page';
  printLinkParagraph.insertBefore(newLink,backLink);

}








/* Dreamweaver Generated functions */
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_jumpMenu(targ,selObj,restore){ //v3.0
if(selObj.options[selObj.selectedIndex].value.length > 0)
{
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  /*if (restore) selObj.selectedIndex=0;*/
}
else
{
  alert("Please select a destination");
}
}

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 MM_jumpMenuGo(selName,targ,restore){ //v3.0
  var selObj = MM_findObj(selName); if (selObj) MM_jumpMenu(targ,selObj,restore);
}
