Ændre lidt i dette script?
Jeg har dette javascript som viser nogle billeder og hvor brugeren kan skifte frem eller tilbage.Kan dette ændres således at der hentes et tilfældigt billede i min mappe /pictures/ og brugeren herefter kan skifte frem eller tilbage?
Scriptet er dette:
<HEAD>
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
NewImg = new Array (
"images/1.gif",
"images/2.gif",
"images/3.gif"
);
var ImgNum = 0;
var ImgLength = NewImg.length - 1;
//Time delay between Slides in milliseconds
var delay = 3000;
var lock = false;
var run;
function chgImg(direction) {
if (document.images) {
ImgNum = ImgNum + direction;
if (ImgNum > ImgLength) {
ImgNum = 0;
}
if (ImgNum < 0) {
ImgNum = ImgLength;
}
document.slideshow.src = NewImg[ImgNum];
}
}
function auto() {
if (lock == true) {
lock = false;
window.clearInterval(run);
}
else if (lock == false) {
lock = true;
run = setInterval("chgImg(1)", delay);
}
}
// End -->
</script>
</HEAD>
<!-- STEP TWO: Copy this code into the BODY of your HTML document -->
<BODY>
<img src="images/1.gif" name="slideshow">
<table>
<tr>
<td align="right"><a href="java script:chgImg(-1)">Previous</a></td>
<td align="center"><a href="java script:auto()">Auto/Stop</a></td>
<td align="left"><a href="java script:chgImg(1)">Next</a></td>
</tr>
</table>
<p><center>
<font face="arial, helvetica" size"-2">Free JavaScripts provided<br>
by <a href="http://javascriptsource.com">The JavaScript Source</a></font>
</center><p>
<!-- Script Size: 1.73 KB -->
