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;
            }