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prevent users to click radio button after attempts are completed

i have one application..in that i display all questions and gave options as radio buttons..
so what i want to do is i need to restrict the user to select radio button only two attempts..for third attempt i don't want to allow the user to click radio button.and need to give alert like your attempts are completed..
And when user select one radio button then after select another radio button i want to calculate time difference between two attempts..
please help me how to do this..i have no idea how to do this..
thank you

Try something like this:
Jquery
$( document ).ready(function() {
var count = 0;
$('input[name="radio"]').click(function(){
if(count < 2)
{
count++;
}
else
{
alert('Limit reached');
return false;
}
});
});
Working fiddle

Show tooltip on function

I am wanting to show a tooltip only on a specific function.
Here is the function
$('#search').submit(function (e) {
//check atleat 1 checkbox is checked
if (!$('.its').is(':checked')) {
//prevent the default form submit if it is not checked
$( ".pk" ).tooltip({
content: "Please select a source"
});
e.preventDefault();
}
})
I want to make a tooltip appear only if they do not have a checkbox selected and they have tried to submit the form, the tooltip will prompt them to check a box before submitting the form.
Is this possible with the jQuery Tooltip widget? All I am finding about the Tooltip widget is how to use onHover or onClick If not is there a recommended tooltip script to use for something like this, or is there a way for me to go about this differently?

Validation using checkbox

I am using jQuery trying to validate that a checkbox has been checked before allowing a user to click on a 'Proceed' button.
The 'Proceed' button is set 'Enable = false' when the page loads.
So far I have tried :
// On check of the accept terms checkbox
$(".chkTandCs").change(function () {
// If checked, enable the Continue button, else, disable it.
if ($(this).is(":checked")) {
$(".lbnAcceptCurrent").removeAttr('disabled');
}
else {
$(".lbnAcceptCurrent").attr("disabled", "disabled");
}
});
This hasn't worked.
The checkbox and 'Proceed' button are inside a modal that opens when a different button has been clicked.
All help very much appreciated

Use prop() instead
$(".chkTandCs").change(function () {
$(".lbnAcceptCurrent").prop('disabled', !this.checked);
});
If the modal generates the markup dynamically, you'll need to delegate
$(document).on('change', '.chkTandCs', function () {
$(".lbnAcceptCurrent").prop('disabled', !this.checked);
});
and replace document with the closest static parent element of the modal

Checkbox selection order issue with jquery

I've got a base background image and two checkboxes. I need replace the background image (via toggle class) with the correct class depending on which checkbox is selected. If both checkboxes are selected I need it to show the black background.
http://jsfiddle.net/2k96D/6/
$('#ax_lab').change(function () {
if ($('#ax_ov').is(':checked')) {
$('.axial').toggleClass('axial_all');
} else{
$('.axial').toggleClass('axial_lab');
}
});
$('#ax_ov').change(function () {
if ($('#ax_lab').is(':checked')) {
$('.axial').toggleClass('axial_all');
} else{
$('.axial').toggleClass('axial_over');
}
});
My fiddle works perfectly when I select and deselect in the same order, however, if I de-select the checkboxes in a different order than the order I selected them in, it doesn't default back to the original class. I know there must be a flaw in my logic, I'm just having trouble finding it. Any thoughts?

You need to be more explicit with the logic. Here's what I did:
$(document).ready(function () {
function updateAxialStatus() {
var axOv = $('#ax_ov').prop('checked'),
axLab = $('#ax_lab').prop('checked');
$('.axial').removeClass('axial_all axial_lab axial_over');
if (axOv && axLab)
$('.axial').addClass('axial_all');
else if (axOv)
$('.axial').addClass('axial_over');
else if (axLab)
$('.axial').addClass('axial_lab');
}
$('#ax_lab, #ax_ov').change(updateAxialStatus);
});
That version just explicitly checks the status of the two checkboxes and updates the class to reflect the status. The same handler can be used for both checkboxes.
Note that old versions of IE may not fire the "change" event for checkboxes until the checkbox loses focus, but you can safely use "click" instead.

jQuery prevent checkbox checking nested inside another DIV

I've looked at and tried numerous answers on this topic but can't seem to find a solution that works. I might be missing something obvious in which case I apologise but here's my problem:
I have a checkbox nested within a DIV element, this DIV element has a jQuery click event attached to it which then checks whether the checkbox is checked or not and then either checks/unchecks it. Depending on whether it has been checked/unchecked it then sends a variable to a PHP script to add into a session variable.
This all works fine when it's the DIV that has been clicked but when the checkbox is clicked I think some bubbling occurs as it fires the event for unchecking the checkbox every time. I've tried using stopPropogation(); and preventDefault(); attached to the checkbox click event but to no avail.
Here's some sample code to try and make this clearer:
Checkbox HTML code:
<div class='bundle_offer' id='bundle_offer_0'>
<input type="checkbox" />
</div>
Click function:
// Click function on bundle offer div to add booster
$(".bundle_offer").click(function (event) {
// IF its not the checkbox clicked, send over the div id
if (event.target.type !== 'checkbox') {
var bundle_offer_div_id = "#"+this.id;
bundle_offer_click(bundle_offer_div_id);
}
// ELSE find div id and send it
else{
var bundle_offer_div_id = $(this).closest(".bundle_offer").attr("id");
bundle_offer_div_id = "#"+bundle_offer_div_id;
bundle_offer_click(bundle_offer_div_id);
}
}); // end bundle offer click function
the bundle_offer_click function simply takes the id of the DIV clicked, finds the checkbox, checks/unchecks it and then sends the appropriate variable to the PHP script via AJAX.
EDIT:
I managed to fix the problem by moving round the logic a bit, here is what I changed it to:
// Click function on bundle offer div to add booster
$(".bundle_offer").mouseup(function (event) {
// Get whether checked or not
var isChecked = $(this).find('input').is(':checked');
// IF its not the checkbox clicked
// check/uncheck
// send over the div id
if (event.target.type !== 'checkbox') {
if(isChecked == false){
// Check
$(this).find('input').attr('checked',true);
}
else{
// Uncheck
$(this).find('input').attr('checked',false);
}
var bundle_offer_div_id = "#"+this.id;
bundle_offer_click(bundle_offer_div_id, isChecked);
}
// ELSE find div id and send it
else{
var bundle_offer_div_id = $(this).closest(".bundle_offer").attr("id");
bundle_offer_div_id = "#"+bundle_offer_div_id;
bundle_offer_click(bundle_offer_div_id, isChecked);
}
}); // end bundle offer click function
Main difference is using the mouseup function instead and doing the logic for checking/unchecking the checkbox within that mouseup function rather than the bundle_offer_click one.

In case you click on check box browser automatically check/uncheck checkbox. you don't need do that using JavaScript.
I believe inside bundle_offer_click you are checking/unchecking checkbox. you should pass a flag as second parameter in bundle_offer_click flag value should be depend on clicked element. and inside bundle_offer_click based on flag take action on checkbox.
code:
function bundle_offer_click(id, isCheckBoxClicked){
if(isCheckBoxClicked){
//do nothing on check box
}
}