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| <form action="" id="form1" onsubmit="return check(this.elements['truc[w][]']);">
<div>
<input type="checkbox" name="truc[w][]" />
<input type="checkbox" name="truc[w][]" />
<input type="checkbox" name="truc[w][]" />
<input type="checkbox" name="truc[w][]" />
<input type="checkbox" name="truc[w][]" />
<input type="checkbox" name="truc[w][]" />
<input type="checkbox" name="truc[w][]" />
<input type="checkbox" name="truc[w][]" />
<input type="checkbox" name="truc[w][]" />
<input type="checkbox" name="truc[w][]" />
<input type="checkbox" name="truc[w][]" />
<input type="submit" value="Saveeee"/>
</div>
</form>
<script type="text/javascript">
function check(box){
var n=0;
for(ch=0;ch<box.length;ch++){
if(box[ch].checked==true){
n++
}
}
alert(n)
return false
}
</script> |