<!--

/* layers.js */

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_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

function resizeLayer(layerID,width,height){
   var myElement = document.getElementById(layerID);
   myElement.style.width =  width + "px";
   myElement.style.height = height + "px";
}

function positionLayer(layerID,left,top){
   var myElement = document.getElementById(layerID);
   myElement.style.left =  left + "px";
   myElement.style.top = top + "px";
}

function centerLayer(layerID){
   var myElement = document.getElementById(layerID);
   var layerWidth = parseInt(myElement.style.width);
   var layerHeight = parseInt(myElement.style.height);
   if (document.body.clientWidth)
   {
      var windowWidth = document.body.clientWidth;
      var windowHeight = document.body.clientHeight;
      var vScrollPos = document.body.scrollTop;
   }
   else
   {
      var windowWidth = document.body.innerWidth;
      var windowHeight = document.body.innerHeight;
      var vScrollPos = window.pageYOffset;
   }
   var left = (windowWidth - layerWidth) / 2;
   var top = ((windowHeight - layerHeight) / 2) + vScrollPos;
   myElement.style.left =  left + "px";
   myElement.style.top = top + "px";
}

function overflowLayer(layerID,overflow){
   var myElement = document.getElementById(layerID);
   myElement.style.overflow =  overflow;
}

// functions to find x- and y- position of an object (used to position drop down navigation layers)

function findPosX(elementID) {
   var myElement = document.getElementById(elementID);
   var curleft = 0;
   if (myElement.offsetParent) {
      while (myElement.offsetParent)
      {
         curleft += myElement.offsetLeft
         myElement = myElement.offsetParent;
      }
   }
   else if (myElement.x)
      curleft += myElement.x;
   return curleft;
}

function findPosY(elementID) {
   var myElement = document.getElementById(elementID);
   var curtop = 0;
   if (myElement.offsetParent) {
      while (myElement.offsetParent)
      {
         curtop += myElement.offsetTop
         myElement = myElement.offsetParent;
      }
   }
   else if (myElement.y)
      curtop += myElement.y;
   return curtop;
}
//-->