// JavaScript Document
var startOpacity = 30; // Sæt selv start-opaciteten
var d=document;
function gA(o,tN){return o.getElementsByTagName(tN)}
function pI(s){return parseInt(s)}
function doShade(tbl) {
    var w, h, a, offset, opac, cont = (d.all)? tbl.parentElement : tbl.parentNode;
    w=pI(tbl.offsetWidth); h=pI(tbl.offsetHeight);
    a = new Array();
    var steps = (d.all && !window.createPopup)? 1 : 5; // Antal skygge-steps (Opera : IE)
    for (var i=1; i<steps+1; i++) {
        offset = i + "px";
        opac = startOpacity / i;
        a[a.length] = '<img class="shader" src="gfx/skygge.gif" ';
        a[a.length] = 'style="width:'+(w+2*i)+'px;height:'+h+'px;left:-'+offset+';top:'+offset+';z-index:'+i+';';
        if (d.all) a[a.length] = 'filter:alpha(opacity='+opac+')">';
        else a[a.length] = '-moz-opacity:'+(opac/100)+'">';
    }
    cont.innerHTML += a.join("");
}
function initShadeTBLs() {
    if (d.layers) return;
    var aTbl = gA(d,"TABLE");
    for (var i=0; i<aTbl.length; i++) {
        if ( aTbl[i].className=="shadeTBL" ) doShade( aTbl[i] );
    }
}
window.onload = initShadeTBLs;