java script aanpassen

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Hoi!

Ik ben al een hele tijd bezig om een script aan te passen wat er voor zorgt dat het plaatje wat de webcam op een site presenteert elke 10 sec. ververst.
Ik wil het met dit script oplossen.
Het script is eigenlijk bedoeld geweest voor een slideshow.

Aangezien het steeds een plaatje met dezelfde naam is, wordt het plaatje uit de cache getrokken.
Ik ben er achter dat ik achter de jpg een random getal moet zetten zodat de browser het niet herkent.
zie:
kan ik als
en
Javascript Question: ik wil een random number.

Echter kom ik niet verder.

Kan iemand mij goed op weg kunnen helpen zodat het werkt?

Script (ik heb commentaar er uitgehaald, anders was ie nog groter geweest)

<!--
function slide(src,link,text,target,attr) {

this.src = src;
this.link = link;
this.text = text;
this.target = target;
this.timeout = 3000
this.attr = attr;
if (document.images) {
this.image = new Image();
}
this.loaded = false;
this.load = function() {
if (!document.images) { return; }
if (!this.loaded) {
this.image.src = this.src;
this.loaded = true;
}
}
this.hotlink = function() {
var mywindow;
if (!this.link) return;
if (this.target) {
if (this.attr) {
mywindow = window.open(this.link, this.target, this.attr);
} else {
mywindow = window.open(this.link, this.target);
}
if (mywindow && mywindow.focus) mywindow.focus();
} else {
location.href = this.link;
}
}
}
function slideshow( slideshowname ) {
this.name = slideshowname;
this.repeat = true;
this.prefetch = -1;
this.image;
this.textid;
this.textarea;
this.timeout = 1000;
this.slides = new Array();
this.current = 0;
this.timeoutid = 0;
this.add_slide = function(slide) {
var i = this.slides.length;
if (this.prefetch == -1) {
slide.load();
}

this.slides[i] = slide;
}
this.play = function(timeout) {
this.pause();
if (timeout) {
this.timeout = timeout;
}
if (typeof this.slides[ this.current ].timeout != 'undefined') {
timeout = this.slides[ this.current ].timeout;
} else {
timeout = this.timeout;
}

this.timeoutid = setTimeout( this.name + ".loop()", timeout);
}
this.pause = function() {
if (this.timeoutid != 0) {
clearTimeout(this.timeoutid);
this.timeoutid = 0;
}
}
this.update = function() {
if (! this.valid_image()) { return; }
if (typeof this.pre_update_hook == 'function') {
this.pre_update_hook();
}
var slide = this.slides[ this.current ];
var dofilter = false;
if (this.image &&
typeof this.image.filters != 'undefined' &&
typeof this.image.filters[0] != 'undefined') {
dofilter = true;
}
slide.load();
if (dofilter) {
if (slide.filter &&
this.image.style &&
this.image.style.filter) {
this.image.style.filter = slide.filter;
}
this.image.filters[0].Apply();
}
this.image.src = slide.image.src;
if (dofilter) {
this.image.filters[0].Play();
}
this.display_text();
if (typeof this.post_update_hook == 'function') {
this.post_update_hook();
}
if (this.prefetch > 0) {
var next, prev, count;
next = this.current;
prev = this.current;
count = 0;
do {
if (++next >= this.slides.length) next = 0;
if (--prev < 0) prev = this.slides.length - 1;
this.slides[next].load();
this.slides[prev].load();
} while (++count < this.prefetch);
}
}
this.goto_slide = function(n) {
if (n == -1) {
n = this.slides.length - 1;
}

if (n < this.slides.length && n >= 0) {
this.current = n;
}
this.update();
}
this.goto_random_slide = function(include_current) {
var i;
if (this.slides.length > 1) {
do {
i = Math.floor(Math.random()*this.slides.length);
} while (i == this.current);
this.goto_slide(i);
}
}
this.next = function() {
if (this.current < this.slides.length - 1) {
this.current++;
} else if (this.repeat) {
this.current = 0;
}
this.update();
}
this.previous = function() {
if (this.current > 0) {
this.current--;
} else if (this.repeat) {
this.current = this.slides.length - 1;
}
this.update();
}
this.shuffle = function() {
var i, i2, slides_copy, slides_randomized;
slides_copy = new Array();
for (i = 0; i < this.slides.length; i++) {
slides_copy[i] = this.slides[i];
}
slides_randomized = new Array();
do {
i = Math.floor(Math.random()*slides_copy.length);
slides_randomized[ slides_randomized.length ] =
slides_copy[i];
for (i2 = i + 1; i2 < slides_copy.length; i2++) {
slides_copy[i2 - 1] = slides_copy[i2];
}
slides_copy.length--;
} while (slides_copy.length);
this.slides = slides_randomized;
}
this.get_text = function() {
return(this.slides[ this.current ].text);
}
this.get_all_text = function(before_slide, after_slide) {
all_text = "";
for (i=0; i < this.slides.length; i++) {
slide = this.slides[i];
if (slide.text) {
all_text += before_slide + slide.text + after_slide;
}
}
return(all_text);
}
this.display_text = function(text) {
if (!text) {
text = this.slides[ this.current ].text;
}
if (this.textarea && typeof this.textarea.value != 'undefined') {
this.textarea.value = text;
}
if (this.textid) {

r = this.getElementById(this.textid);
if (!r) { return false; }
if (typeof r.innerHTML == 'undefined') { return false; }
r.innerHTML = text;
}
}
this.hotlink = function() {
this.slides[ this.current ].hotlink();
}
this.save_position = function(cookiename) {
if (!cookiename) {
cookiename = this.name + '_slideshow';
}
document.cookie = cookiename + '=' + this.current;
}
this.restore_position = function(cookiename) {
if (!cookiename) {
cookiename = this.name + '_slideshow';
}
var search = cookiename + "=";
if (document.cookie.length > 0) {
offset = document.cookie.indexOf(search);
if (offset != -1) {
offset += search.length;
end = document.cookie.indexOf(";", offset);
if (end == -1) end = document.cookie.length;
this.current = parseInt(unescape(document.cookie.substring(offset, end)));
}
}
}


this.noscript = function() {
$html = "\n";
for (i=0; i < this.slides.length; i++) {
slide = this.slides[i];
$html += '<P>';
if (slide.link) {
$html += '<a href="' + slide.link + '">';
}
$html += '[img]"'[/img]';
if (slide.link) {
$html += "<\/a>";
}
if (slide.text) {
$html += "<BR>\n" + slide.text;
}
$html += "<\/P>" + "\n\n";
}
$html = $html.replace(/\&/g, "&" );
$html = $html.replace(/</g, "<" );
$html = $html.replace(/>/g, ">" );

return('<pre>' + $html + '</pre>');
}
this.loop = function() {

if (this.current < this.slides.length - 1) {
next_slide = this.slides[this.current + 1];
if (next_slide.image.complete == null || next_slide.image.complete) {
this.next();
}
} else {
this.next();
}
this.play( );
}
this.valid_image = function() {
if (!this.image)
{
return false;
}
else {
return true;
}
}
this.getElementById = function(element_id) {
if (document.getElementById) {
return document.getElementById(element_id);
}
else if (document.all) {
return document.all[element_id];
}
else if (document.layers) {
return document.layers[element_id];
} else {
return undefined;
}
}
this.set_image = function(imageobject) {
if (!document.images)
return;
this.image = imageobject;
}
this.set_textarea = function(textareaobject) {
this.textarea = textareaobject;
this.display_text();
}
this.set_textid = function(textidstr) {
this.textid = textidstr;
this.display_text();
}
}
SLIDES = new slideshow("SLIDES");
SLIDES.timeout = 1000;
SLIDES.prefetch = -1;
SLIDES.repeat = true;

s = new slide();
s.src = "images/streetcam.jpg";
s.text = unescape("");
s.link = "";
s.target = "";
s.attr = "width:320,height:200";
s.filter = "";
SLIDES.add_slide(s);

s = new slide();
s.src = "images/streetcam.jpg";
s.text = unescape("");
s.link = "";
s.target = "";
s.attr = "width:320,height:200";
s.filter = "";
SLIDES.add_slide(s);

if (false) SLIDES.shuffle();


function MM_reloadPage(init) { //reloads the window if Nav4 resized
if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);
//-->

Mijn dank zal groot zijn!

[chem]

Ten eerste horen JS problemen in W&G, ten tweede durf ik te zweren dat zij ook niet zitten te wachten op een dergelijke stortvloed aan scriptrequest. Probeer het zelf dus nog eens, of stel je vraag wat concreter dan "hij doet het niet"