//(c) Magenta Software Ltd 2008

var sections = new Array("home", "news", "about", "games", "jobs", "downloads", "links", "legal");
var bPreview = false;

function hl(img, n)
{
   img.src = "res/" + sections[n] + "_hl.jpg";
}

function cl(img,n)
{
    img.src = "res/" + sections[n] + ".jpg";
}


function setalpha(layer, alpha)
{
   if(document.all) // IE
   {
      layer.style.filter = "alpha(opacity="+alpha+");";
      layer.style.visibility = "visible";
   }
   else
   {
      layer.style.opacity = alpha / 100; // IE uses %  
      layer.style.visibility = "visible";          
   }
   
   if(alpha == 0)
    layer.style.visibility = "hidden";
}

function fadup(n)
{
    var layer = document.getElementById("previewdiv");    

    if(!bPreview)
        return;
    if(n>100)
        n = 100;
        
    setalpha(layer, n);
    
    if(n < 100)
    {
        setTimeout("fadup(" + (n+8) + ");",50);
    }
}

function showpreview(img)
{
    var image = document.getElementById("previewimg");        
    image.src = img;
         
    if(!bPreview)
    {
        bPreview = true;        
        fadup(1);
    }
}

function closepreview()
{
    var layer = document.getElementById("previewdiv");    
    bPreview = false;         
    setalpha(layer, 0);   
}

function movepreview()
{
   var pos = ((document.body.scrollWidth - 920) / 2) + 50;
   var layer = document.getElementById("previewdiv");    
   layer.style.left = pos;
}

function init()
{
    movepreview();
    closepreview();
}