function FP_swapImgRestore() {//v1.0
    var doc = document, i; if (doc.$imgSwaps) {
        for (i = 0; i < doc.$imgSwaps.length; i++) {
            var elm = doc.$imgSwaps[i]; if (elm) { elm.src = elm.$src; elm.$src = null; } 
        }
        doc.$imgSwaps = null;
    }
}

function FP_preloadImgs() {//v1.0
    var d = document, a = arguments; if (!d.FP_imgs) d.FP_imgs = new Array();
    for (var i = 0; i < a.length; i++) { d.FP_imgs[i] = new Image; d.FP_imgs[i].src = a[i]; }
}

function FP_swapImg() {//v1.0
    var doc = document, args = arguments, elm, n; doc.$imgSwaps = new Array(); for (n = 2; n < args.length;
 n += 2) {
        elm = FP_getObjectByID(args[n]); if (elm) {
            doc.$imgSwaps[doc.$imgSwaps.length] = elm;
            elm.$src = elm.src; elm.src = args[n + 1];
        } 
    }
}

function FP_getObjectByID(id, o) {//v1.0
    var c, el, els, f, m, n; if (!o) o = document; if (o.getElementById) el = o.getElementById(id);
    else if (o.layers) c = o.layers; else if (o.all) el = o.all[id]; if (el) return el;
    if (o.id == id || o.name == id) return o; if (o.childNodes) c = o.childNodes; if (c)
        for (n = 0; n < c.length; n++) { el = FP_getObjectByID(id, c[n]); if (el) return el; }
    f = o.forms; if (f) for (n = 0; n < f.length; n++) {
        els = f[n].elements;
        for (m = 0; m < els.length; m++) { el = FP_getObjectByID(id, els[n]); if (el) return el; } 
    }
    return null;
}