// Old MacroMedia scripts


function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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_showHideLayers() { //v3.0
  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; }
}

// new Skelli Functions

Event.observe(window,'load',initVirtualBook);
var currSpread=0;
var currPages;

function initVirtualBook()
{
    $$('#vBook .page').invoke('hide');
    
    $$('#vBook .odd').each(function(elem){
       if(elem.tagName == "IMG"){
           Event.observe(elem,'click',nextPage);
       }
    });
    
    $$('#vBook .even').each(function(elem){
       if(elem.tagName == "IMG"){
           Event.observe(elem,'click',prevPage);
       }
    });
    
    $('frontCover','frontBlank').invoke('show');
    $('vBook').style.display="block";
    
}

function prevPage()
{

    currLeft = currSpread*2;
    currRight = (currSpread*2)+1;
    nextLeft = (currSpread-1)*2;
    nextRight = ((currSpread-1)*2)+1;
    
    currLeftPage = $$('[rel="page'+currLeft+'"]');
    currRightPage = $$('[rel="page'+currRight+'"]');
    
    nextLeftPage = $$('[rel="page'+nextLeft+'"]');
    nextRightPage = $$('[rel="page'+nextRight+'"]');
    
    Effect.Fade(currLeftPage[0]);
    Effect.Fade(currRightPage[0]);
    
    Effect.Appear(nextLeftPage[0]);
    Effect.Appear(nextRightPage[0]);
    
    currSpread--;
}

function nextPage(evt)
{
    currLeft = currSpread*2;
    currRight = (currSpread*2)+1;
    nextLeft = (currSpread+1)*2;
    nextRight = ((currSpread+1)*2)+1;
    
    currLeftPage = $$('[rel="page'+currLeft+'"]');
    currRightPage = $$('[rel="page'+currRight+'"]');
    
    nextLeftPage = $$('[rel="page'+nextLeft+'"]');
    nextRightPage = $$('[rel="page'+nextRight+'"]');
    
    Effect.Fade(currLeftPage[0]);
    Effect.Fade(currRightPage[0]);
    
    Effect.Appear(nextLeftPage[0]);
    Effect.Appear(nextRightPage[0]);
    
    currSpread++;
}