Sorry for the delay, but we were closed on Monday.
To get your shipping charges:
You will need to set up either a drop down list or radio group on your cart page. For example:
<label>
<input type="radio" name="shipping" value="same" id="shipping_0" />
Same Day</label>
<br />
<label>
<input type="radio" name="shipping" value="next" id="shipping_1" />
Nex Day</label>
<br />
<label>
<input type="radio" name="shipping" value="standard" id="shipping_2" />
Standard</label>
And then set a session value based on the value that the user selects, so if the user select same day, your session value will be set to 'Same' and for next day your session value will be 'Next' and the default value will be 'Standard'.
<?php
if (isset($_POST["eCart1_Checkout"]) || isset($_POST["eCart1_Checkout_x"])) {
$_SESSION['shippingType'] = $_POST['shipping'];
}
?>
Then in your eCart object, you will set a shipping rule by clicking on the shipping type and clicking the + button. And for the trigger, you will need to have two things: first if the session value exists and the second is based on a session variable value. And then you can set your calculation.
You will need to this tree times for each shipping rule.