// JavaScript Document

function SwapImage()
{
   var doc=document, args=arguments;
   doc.$imgSwaps = new Array();
   for(var i=2; i<args.length; i+=2)
   {
      var elem=FindObject(args[i]);
      if(elem)
      {
         doc.$imgSwaps[doc.$imgSwaps.length]=elem;
         elem.$src=elem.src;
         elem.src=args[i+1];
      }
   }
}

function PreloadImages()
{
   var imageObj = new Image();
   var images = new Array();
   images[0]="./images/bv01643.gif";
   images[1]="./images/bv01643_over.gif";
   images[2]="./images/bv01644.gif";
   images[3]="./images/bv01644_over.gif";
   images[4]="./images/bv01645.gif";
   images[5]="./images/bv01645_over.gif";
   images[6]="./images/bv01646.gif";
   images[7]="./images/bv01646_over.gif";
   images[8]="./images/bv01647.gif";
   images[9]="./images/bv01647_over.gif";
   images[10]="./images/bv01648.gif";
   images[11]="./images/bv01648_over.gif";
   images[12]="./images/bv01649.gif";
   images[13]="./images/bv01649_over.gif";
   images[14]="./images/bv01650.gif";
   images[15]="./images/bv01650_over.gif";
   images[16]="./images/bv01651.gif";
   images[17]="./images/bv01651_over.gif";
   images[18]="./images/bv01652.gif";
   images[19]="./images/bv01652_over.gif";
   images[20]="./images/bv01653.gif";
   images[21]="./images/bv01653_over.gif";
   images[22]="./images/bv01654.gif";
   images[23]="./images/bv01654_over.gif";
   images[24]="./images/bv01655.gif";
   images[25]="./images/bv01655_over.gif";
   images[26]="./images/bv01656.gif";
   images[27]="./images/bv01656_over.gif";
   for (var i=0; i<=27; i++)
   {
      imageObj.src = images[i];
   }
}

function FindObject(id, doc)
{
   var child, elem;
   if(!doc)
      doc=document;
   if(doc.getElementById)
      elem=doc.getElementById(id);
   else
   if(doc.layers)
      child=doc.layers;
   else
   if(doc.all)
      elem=doc.all[id];
   if(elem)
      return elem;
   if(doc.id==id || doc.name==id)
      return doc;
   if(doc.childNodes)
      child=doc.childNodes;
   if(child)
   {
      for(var i=0; i<child.length; i++)
      {
         elem=FindObject(id,child[i]);
         if(elem)
            return elem;
      }
   }
   var frm=doc.forms;
   if(frm)
   {
      for(var i=0; i<frm.length; i++)
      {
         var elems=frm[i].elements;
         for(var j=0; j<elems.length; j++)
         {
            elem=FindObject(id,elems[i]);
            if(elem) return elem;
         }
      }
   }
   return null;
}