imgEl.src = closeImg; imgEl.blur(); } else { elem.style.display = ''; imgEl.src = openImg; imgEl.blur(); } } function getElementsByClassName(className){ var children = document.body.getElementsByTagName('*'); var elements = [], child; for (var i = 0, length = children.length; i < length; i++) { child = children[i]; if (hasClassName(child, className)) elements.push(child); } return elements; } function hasClassName(element, className){ var elementClassName = element.className; if (elementClassName.length == 0) return false; if (elementClassName == className || elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)"))) return true; return false; }
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