Hej!
<form name="myForm">
<input type="hidden" name="myhidden" value="">
<a href="#" onClick="gfxCheckboxToggle(123,document.myForm.myhidden,document['checkbox1'],'images/off.gif','images/on.gif'); return false;"><img src="images/off.gif" width=30 height=30 border=0 alt="" name="checkbox1"></a>
<a href="#" onClick="gfxCheckboxToggle(321,document.myForm.myhidden,document['checkbox2'],'images/off.gif','images/on.gif'); return false;"><img src="images/off.gif" width=30 height=30 border=0 alt="" name="checkbox2"></a>
<input type="button" onclick="alert(this.form.elements[0].value)">
</form>
<script type="text/javascript">
/* Detta script finns att hämta på [url]http://www.jojoxx.net[/url] och
får användas fritt så länge som dessa rader står kvar. */
function gfxCheckboxToggle(id,hiddenobj,imgobj,offSrc,onSrc){
hiddenobj.value = (new RegExp(id+",").test(hiddenobj.value)) ? hiddenobj.value.replace(new RegExp(id+","),""): (hiddenobj.value + id + ",");
if(document.images){
imgobj.src = (new RegExp(id+",").test(hiddenobj.value)) ? onSrc:offSrc;
}
}
</script>
