<form>
  <t:switch prioritized="true">
    <input t:condition="contains(@name, 'loansExtensionPopup$btnDefault')">{$confirm-button}</input>
    <input value="Verlängerung durchführen">{$confirm-button}</input>
    <input t:condition="contains(@name, 'ucLoansView')">{$confirm-button}</input>

    <div t:condition="ends-with(@id, 'dnnSkinMessage')" class="dnnFormMessage dnnFormValidationSummary">
      <span id="ends-with(@id, 'lblMessage')">
      {vl:raise(..)}
      </span>
    </div>
  </t:switch>
{
  let $target := $confirm-button/@name/string()
  let $argument := if (contains($target, "ucLoansView")) then "CommitCatalogueCopiesExtensionEventArgs" else ""
  return (
   confirm-form := form(., {'__EVENTTARGET': $target, "__EVENTARGUMENT": $argument, "": {"kind": "submit"} } )
)}</form>