function changeOpacity(cur,which)
{
    strength=(which==0)? 1 : 0.9
    
    if (cur.style.MozOpacity)
        cur.style.MozOpacity=strength;
    else if (cur.filters)
        cur.filters.alpha.opacity=strength*100;
}

function tamboy(targeturl)
{
    var winW = 1024, winH = 768;

    if (parseInt(navigator.appVersion)>3)
    {
        if (navigator.appName=="Netscape") 
        {
            winW = window.innerWidth;
            winH = window.innerHeight;
        }
        if (navigator.appName.indexOf("Microsoft")!=-1) 
        {
            winW = document.body.offsetWidth;
            winH = document.body.offsetHeight;
        }
    }
    
    window.open(targeturl,"","width="+winW+", height="+winH+",scrollbars, left=3, top=3");    
}