<!-- // HIDE from ancient browsers

var current_showing = 'all';

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;
        }
}

function MM_HideLayers() { //v3.0
    var obj;
    obj=MM_findObj(current_showing);
    if (obj) {
        if (obj.style) obj=obj.style;
        obj.visibility='hidden';
    }
}

function MM_findObj(n, d) { //v4.01
    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 && d.getElementById) x=d.getElementById(n); return x;
}

function show(object) {
    // hide current showing, then show object and set it to current showing
    MM_HideLayers(current_showing);
    MM_showHideLayers(object, '', 'show');
    current_showing = object;
}

function hide(object) {
    MM_HideLayers(current_showing);
}



function highlight(o) {
    o.style.backgroundColor = '#FFFF00';
}
function revert(o) {
    o.style.backgroundColor = '#FFFF00';
}

-->