25 lines
914 B
JavaScript
25 lines
914 B
JavaScript
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(function(w) {
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var init = function() {
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var pr = document.getElementById('post-revisions'),
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inputs = pr ? pr.getElementsByTagName('input') : [];
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pr.onclick = function() {
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var i, checkCount = 0, side;
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for ( i = 0; i < inputs.length; i++ ) {
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checkCount += inputs[i].checked ? 1 : 0;
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side = inputs[i].getAttribute('name');
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if ( ! inputs[i].checked &&
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( 'left' == side && 1 > checkCount || 'right' == side && 1 < checkCount && ( ! inputs[i-1] || ! inputs[i-1].checked ) ) &&
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! ( inputs[i+1] && inputs[i+1].checked && 'right' == inputs[i+1].getAttribute('name') ) )
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inputs[i].style.visibility = 'hidden';
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else if ( 'left' == side || 'right' == side )
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inputs[i].style.visibility = 'visible';
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}
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};
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pr.onclick();
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};
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if ( w && w.addEventListener )
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w.addEventListener('load', init, false);
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else if ( w && w.attachEvent )
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w.attachEvent('onload', init);
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})(window);
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