var ns = (document.all)?false:true;
var intBack = 1;

//function for dynamically switching the background image
function changeBg(divId,intBack) {
if (ns){
layerObject = document.getElementById(divId).style;
} else {
layerObject = eval(divId + ".style");
}
layerObject.backgroundImage = 'url(gfx/'+intBack+'.jpg)';
}


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_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_findObj(n, d) { //v4.0
  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 && document.getElementById) x=document.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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

   function setVisible(obj, bool){
        if(typeof obj == "string")
        obj = document.getElementById(obj);
   if(bool == false){
      if(obj.style.visibility != "hidden");
         obj.style.visibility = "hidden";
      }
   else { 
      if(obj.style.visibility != "visible");
      obj.style.visibility = "visible";
   }
}

   function setVisible2(obj, bool){
        if(typeof obj == "string")
        obj = document.getElementById(obj);
   if(bool == false){
      if(obj.style.display != "none");
         obj.style.display = "none";
      }
   else { 
      if(obj.style.display != "inline");
      obj.style.display = "inline";
   }
}

function applySelectedTo(link) {
	var ul = document.getElementsByTagName("ul")[0]; // get the first ul tag on the page
	var allLinks = ul.getElementsByTagName("a"); // get all the links within that ul
	for (var i=0; i<allLinks.length; i++) { // iterate through all those links 
		allLinks[i].className = ""; // and assign their class names to nothing 
	} 
	link.className = "selected";  // finally, assign class="selected" to our chosen link 
}