<script>
function selectCheckBox()
{
var total=""
for(var i=0; i < document.form.nums.length; i++){
if(document.form.nums[i].checked)
total +=document.form.nums[i].value + "\n"
}
if(total=="")
alert("select checkboxes")
else
alert("Selected Values are : \n"+total);
}
</script>
<form name="form">
<div
style="overflow: auto; width: 100px; height: 75px; border: 1px solid #336699; padding-left: 5px">
<input type="checkbox" name="nums" value="1"> 1<br>
<input type="checkbox" name="nums" value="2"> 2<br>
<input type="checkbox" name="nums" value="3"> 3<br>
<input type="checkbox" name="nums" value="4"> 4<br>
<input type="checkbox" name="nums" value="5"> 5<br>
<input type="checkbox" name="nums" value="6"> 6<br>
</div>
<input type="button" name="goto" onClick="selectCheckBox()"value="Check">
<form>