function styleHeaderSiblings() {

if (!document.getElementsByTagName) return false;

var headers = document.getElementsByTagName("h1");

var elem;

for (var i = 0; i < headers.length; i++) {

elem = getNextElement(headers[i].nextSibling);

// elem.style.fontWeight = "bold";

// elem.style.fontSize = "1.2em";

// elem.className = "intro";

addClass(elem, "intro");

}

}

function getNextElement(node) {

if (node.nodeType == 1) {

return node;

}

if (node.nextSibling) {

return getNextElement(node.nextSibling);

}

return null;

}

function addClass(element,value) {

if (!element.className) {

element.className = value;

}else {

newClassName = element.className;

newClassName += " ";

newClassName += value;

element.className = newClassName;

}

}

addLoadEvent(styleHeaderSiblings);