Magento 1 - How to apply custom popup message option to checkout courier selection?

Question

In my website there is two courier service, customer can able to select the courier service as their wish. I am using the Matrix shipping rate.

Backend Code:

app/design/frontend/base/default/template/checkout/onepage/shipping_method/available.phtml

courier option section:

<span class="no-display"><input name="shipping_method" type="radio" value="<?php echo $_rate->getCode() ?>" id="s_method_<?php echo $_rate->getCode() ?>" checked="checked" /></span>
<?php else: ?>

<input name="shipping_method" type="radio" value="<?php echo $_rate->getCode() ?>" id="s_method_<?php echo $_rate->getCode() ?> "<?php if($_rate->getCode()===$this->getAddressShippingMethod()) echo ' checked="checked"' ?> class="radio"/>

And my HTML popup code:

https://paste.ofcode.org/qYJe3faagunkikwQph6UZP

HTML output :

How to apply HTML code into phtml file