function getObj(id) {
        var o;

        if(!o) o = document[id];
        if(!o) o = document.getElementById(id);
        if(!o) o = document.parent.document[id];
        if(!o) o = document.parent.document.getElementById(id);
    
        return o;
    }

    function SwapImage(imgName, Src1, Src2) {
        imgObj = getObj(imgName);

        if( imgObj ) {
            if( !Src2 && Src1 ) {
                imgObj.src = Src1;
            }
            else {
                if( imgObj.src.search(Src1) != -1 ) imgObj.src = Src2;
                else if( imgObj.src.search(Src2) != -1 ) imgObj.src = Src1;
                else imgObj.src = Src1;
            }
        }
    }

    function pullDown(layerName) {
        o = getObj(layerName);
            if( o.style.display == 'none' ) { o.style.display = 'block'; return true; }
            else                            { o.style.display = 'none'; return false; }
    }

    function popBuddyList(width,height) {
        blist = window.open('buddylist.php','buddyList','width='+width+',height='+height);
        x     = screen.width - width - 20;
        y     = 0;
        blist.moveTo(x,y);
    }