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<script>
function hashLocate(hashValue) {
hashValue = hashValue.replace(/^.*#h-/, '');
var element = document.getElementById(hashValue);
if (!element) {
return;
}
var headerHeight = 0;
var header = document.querySelector('header');
if (header) {
headerHeight = header.offsetHeight;
}
var supportPageOffset = window.pageXOffset !== undefined;
var isCSS1Compat = ((document.compatMode || "") === "CSS1Compat");
var x = supportPageOffset ? window.pageXOffset : isCSS1Compat ? document.documentElement.scrollLeft : document.body.scrollLeft;
var y = supportPageOffset ? window.pageYOffset : isCSS1Compat ? document.documentElement.scrollTop : document.body.scrollTop;
var offsetY = element.offsetTop - headerHeight - 12;
if (y === offsetY) {
return;
}
window.scrollTo(x, offsetY);
}
// The first event occurred
if (window.location.hash) {
hashLocate(window.location.hash);
}
window.addEventListener('click', function(event) {
if (event.target.matches('a')) {
hashLocate(event.target.getAttribute('href'));
}
});
</script>
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