google.charts.load('current', {packages: ['corechart']});
google.charts.setOnLoadCallback(drawChart);
function drawChart() {
var options = {
height: 200,
legend: { position: 'top', maxLines: 3 },
bar: { groupWidth: '75%' },
isStacked: true,
colors: ['#FF7600', '#409a3c', '#2178b5'],
vAxis:{
baselineColor: '#fff',
gridlineColor: '#fff',
textPosition: 'none'
}
};
var data = google.visualization.arrayToDataTable([
['', 'By', 'Posthumously by', 'About',
{ role: 'annotation' } ],

['1910-1912', 0, 0, 0, ''],

['1912-1914', 0, 0, 0, ''],

['1914-1916', 0, 0, 5, ''],

['1916-1918', 0, 0, 10, ''],

['1918-1920', 0, 0, 0, ''],

['1920-1922', 0, 0, 0, ''],

['1922-1924', 0, 0, 0, ''],

['1924-1926', 0, 0, 0, ''],

['1926-1928', 0, 0, 0, ''],

['1928-1930', 0, 0, 5, ''],

['1930-1932', 10, 0, 10, ''],

['1932-1934', 0, 0, 5, ''],

['1934-1936', 5, 0, 0, ''],

['1936-1938', 0, 0, 0, ''],

['1938-1940', 20, 0, 0, ''],

['1940-1942', 0, 0, 0, ''],

['1942-1944', 10, 0, 0, ''],

['1944-1946', 15, 0, 0, ''],

['1946-1948', 10, 0, 0, ''],

['1948-1950', 15, 0, 0, ''],

['1950-1952', 0, 0, 0, ''],

['1952-1954', 10, 0, 0, ''],

['1954-1956', 0, 0, 5, ''],

['1956-1958', 5, 0, 0, ''],

['1958-1960', 15, 0, 0, ''],

['1960-1962', 10, 0, 0, ''],

['1962-1964', 0, 0, 0, ''],

['1964-1966', 20, 0, 0, ''],

['1966-1968', 15, 0, 10, ''],

['1968-1970', 0, 0, 5, ''],

['1970-1972', 0, 0, 0, ''],

['1972-1974', 10, 0, 5, ''],

['1974-1976', 0, 0, 5, ''],

['1976-1978', 0, 10, 10, ''],

['1978-1980', 0, 0, 10, ''],

['1980-1982', 0, 0, 5, ''],

['1982-1984', 0, 0, 10, ''],

['1984-1986', 0, 0, 5, ''],

['1986-1988', 0, 5, 10, ''],

['1988-1990', 0, 0, 20, ''],

['1990-1992', 0, 0, 10, ''],

['1992-1994', 0, 0, 15, ''],

['1994-1996', 0, 0, 5, ''],

['1996-1998', 0, 0, 10, ''],

['1998-2000', 0, 0, 15, ''],

['2000-2002', 0, 0, 15, ''],

['2002-2004', 0, 0, 5, ''],

['2004-2006', 0, 0, 15, ''],

['2006-2008', 0, 10, 10, ''],

['2008-2010', 0, 0, 10, ''],

['2010-2012', 0, 0, 15, ''],

['2012-2014', 0, 0, 5, ''],

['2014-2016', 0, 10, 10, ''],

['2016-2018', 0, 0, 5, ''],

['2018-2020', 0, 0, 0, ''],

['2020-2022', 0, 0, 0, ''],

]);
var chart = new google.visualization.ColumnChart(document.getElementById('chart_div'));
chart.draw(data, options);
};

function bringBack(sourceKey, targetKey, oclcNum) {
comment=prompt("Enter an optional comment and press "OK" or press "Cancel" to end", "");
if(comment!=null) {
window.location="/identities/move?undo&sourceKey="+sourceKey+"&targetKey="+targetKey+"&oclcNum="+oclcNum+"&originalIdentity="+targetKey+"&comment="+comment;
}
}
function sendBack(sourceKey, targetKey, oclcNum) {
comment=prompt("Enter an optional comment and press "OK" or press "Cancel" to end", "");
if(comment!=null) {
window.location="/identities/move?undo&sourceKey="+sourceKey+"&targetKey="+targetKey+"&oclcNum="+oclcNum+"&originalIdentity="+sourceKey+"&comment="+comment;
}
}
function getElementsByClassName(classname, node) {
if(!node)
node = document.getElementsByTagName("body")[0];
var a=[];
var re=new RegExp('\b' + classname + '\b');
var els=node.getElementsByTagName("*");

for(var i=0; els.length>=i; i++)
if(re.test(els[i].className))
a.push(els[i]);
return a;
}
function turnEditEntriesOn(node) {
var entries=getElementsByClassName('editEntry', node);
if (entries) {

for (var i = 0; entries.length>=i; i++) {
entries[i].style.display="block";
}
}
document.getElementById('identitiesonSwitch').style.display='none';
document.getElementById('identitiesoffSwitch').style.display='inline';
}
function turnEditEntriesOff(node) {
var entries=getElementsByClassName('editEntry', node);
if (entries) {
for (var i = 0; entries.length>=i; i++) {
entries[i].style.display="none";
}
}
document.getElementById('identitiesonSwitch').style.display='inline';
document.getElementById('identitiesoffSwitch').style.display='none';
}