// Adds a tab allowing you to edit the 0th section of a page (the top area usually used as an introduction).



addOnloadHook(function () {

    var x;

    if (!(x = document.getElementById('ca-edit') )) return;

    var url;

    if (!(url = x.getElementsByTagName('a')[0 )) return;

    if (!(url = url.href )) return;

    var y = addPortletLink('p-cactions', url+"&section=0", '0', 'ca-edit-0',

                           'Edit the lead section of this page', '0', x.nextSibling);



    y.className = x.className;  // steal classes from the the edit tab...

    x.className = 'istalk';     // ...and make the edit tab have no right margin



    // exception: don't steal the "selected" class unless actually editing section 0:

    if (/(^| )selected( |$)/.test(y.className)) {

        if (!document.editform || !document.editform.wpSection

            || document.editform.wpSection.value != "0") {

            y.className = y.className.replace(/(^| )selected( |$)/g, "$1");

            x.className += ' selected';

        }

    }

});





// [[Category:Wikipedia scripts]]