var MWJ_img_cache = new Object();
for( var i = 0; i < 2; i++ ) {
        var ar = i ? ( document.getElementsByTagName ? document.getElementsByTagName('input') : ( document.all ? document.all.tags('INPUT') : [] ) ) : document.images;
        for( var x = 0; ar[x]; x++ ) {
                var im = ar[x];
                if( im.getAttribute ) { im.hoversrc = im.getAttribute('hoversrc'); im.activesrc = im.getAttribute('activesrc'); }
                if( im.hoversrc || im.activesrc ) {
                        if( !MWJ_img_cache[im.src] ) { MWJ_img_cache[im.src] = new Image(); MWJ_img_cache[im.src].src = im.src; }
                        im.rootsrc = im.src;
                        im.onmouseout = function () { this.src = this.rootsrc; };
                }
                if( im.hoversrc ) {
                        if( !MWJ_img_cache[im.hoversrc] ) { MWJ_img_cache[im.hoversrc] = new Image(); MWJ_img_cache[im.hoversrc].src = im.hoversrc; }
                        im.onmouseover = function () { this.src = this.hoversrc; };
                }
                if( im.activesrc ) {
                        if( !MWJ_img_cache[im.activesrc] ) { MWJ_img_cache[im.activesrc] = new Image(); MWJ_img_cache[im.activesrc].src = im.activesrc; }
                        im.onmousedown = function (e) {
                                e = e ? e : window.event;
                                if( e.button > 1 || e.which > 1 ) { return; }
                                this.src = this.activesrc;
                        };
                        im.onmouseup = function (e) {
                                e = e ? e : window.event;
                                if( e.button > 1 || e.which > 1 ) { return; }
                                this.src = this.hoversrc ? this.hoversrc : this.rootsrc;
                        };
                }
        }
}