how to count checked checkboxes in different divs
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KMKMAHESH
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Published on 2012-10-08T09:29:53Z
Indexed on
2012/10/08
9:37 UTC
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<head><title>STUDENT WISE EXAM BACKLOGS DISPLAY FOR EXAM REGISTRATION</title>
<style type="text/css">
th {
font-family:Arial;
color:black;
border:1px solid #000;
}
thead {
display:table-header-group;
}
tbody {
display:table-row-group;
}
td {
border:1px solid #000;
}
</style>
<script type="text/javascript" >
function check_value(year,sem){
ysem="ys"+year+sem;
var reg=document.registration.regulation.value;
subjectsys="subjects"+year+sem;
amountsys="amount"+year+sem;
if(year==1){
if(sem==1){
var value_list = document.getElementById("ys11").getElementsByTagName('input');
}
if(sem==2){
var value_list = document.getElementById("ys12").getElementsByTagName('input');
}
}elseif(year==2){
if(sem==1){
var value_list = document.getElementById("ys21").getElementsByTagName('input');
}
if(sem==2){
var value_list = document.getElementById("ys22").getElementsByTagName('input');
}
}elseif(year==3){
if(sem==1){
var value_list = document.getElementById("ys31").getElementsByTagName('input');
}
if(sem==2){
var value_list = document.getElementById("ys32").getElementsByTagName('input');
}
}elseif(year==4){
if(sem==1){
var value_list = document.getElementById("ys41").getElementsByTagName('input');
}
if(sem==2){
var value_list = document.getElementById("ys42").getElementsByTagName('input');
}
}
values = 0;
for (var i=0; i<value_list.length; i++){
if (value_list[i].checked) {
values=values+1;
}
}
document.getElementById(subjectsys).value=values;
if (values=="0")
{
document.getElementById(amountsys).innerHTML="";
return;
}
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById(amountsys).innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("GET","fee.php?year="+year+"®="+reg+"&sem="+sem+"&sub="+values,true);
xmlhttp.send();
}
</script>
</head>
<form id="registration" name="registration" action=subverify.php method=POST></br></br> <center> Backlog Subjects for <b>08KN1A1219</b>
</br></br>
<table border='1'><tr>
<th width='40'> </th><th width='90'>Regulation</th><th width='40'>Year</th>
<th width='40'>Sem</th><th width='350'>Subname</th>
<th width='70'>Internals</th><th width='70'>Externals</th>
</tr><div id="ys41"><tr>
<td width='40'><center><input type="checkbox" name="sub[]" value="344"
onclick="check_value(4,1)"></center></td>
<td width='90'><center>R07</center></td><td width='40'><center>4</center></td><td width='40'><center>1</center></td>
<td width='350'>EMBEDDED SYSTEMS</td><td width='70'><center>18</center></td>
<td width='70'><center>17</center></td></tr><tr><td colspan=5 align=right><b>Subjects: </b><input size=2 type=textbox id=subjects41 name=subjects41 value=0 maxlength=2 readonly=readonly></td>
<td align=right><b>Amount :</b></td>
<input type='hidden' name='regulation' id=regulationsubjects41 value='R07'>
<td><div id="amount41"><input type="textbox" name="amountval41" value="0" size="5" maxlength="5" readonly="readonly"></div></td></tr></div><div id="ys42"><tr>
<td width='40'><center><input type="checkbox" name="sub[]" value="527"
onclick="check_value(4,2)"></center></td>
<td width='90'><center>R07</center></td><td width='40'><center>4</center></td><td width='40'><center>2</center></td>
<td width='350'>DESIGN PATTERNS</td><td width='70'><center>12</center></td>
<td width='70'><center>14</center></td></tr><tr><td colspan=5 align=right><b>Subjects: </b><input size=2 type=textbox id=subjects42 name=subjects42 value=0 maxlength=2 readonly=readonly></td>
<td align=right><b>Amount :</b></td>
<input type='hidden' name='regulation' id=regulationsubjects42 value='R07'>
<td><div id="amount42"><input type="textbox" name="amountval42" value="0" size="5" maxlength="5" readonly="readonly"></div></td></tr></div><tr><td colspan=7><center><b><div id="maintotal"><input type="textbox" name="maintotal" value="0" size="5" maxlength="5" readonly="readonly"></div></center></b></td></tr><tr></tr></table></br></br> <center><input type='hidden' name='htno' value='08KN1A1219'>
<input type='submit' value='Register'></center></form></br>
this is a output of a php file with using dynamic data in the form i want to count only the checkboxes in the div and it has to display in that subjectsdiv like subjects41 and subjects42 can any one please help me to update this javascript it passes some ajax request for displaying the fee
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