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' } ],

['1980-1981', 0, 0, 0, ''],

['1981-1982', 15, 0, 0, ''],

['1982-1983', 0, 0, 0, ''],

['1983-1984', 0, 0, 0, ''],

['1984-1985', 0, 0, 0, ''],

['1985-1986', 10, 0, 0, ''],

['1986-1987', 5, 0, 0, ''],

['1987-1988', 15, 0, 0, ''],

['1988-1989', 10, 0, 0, ''],

['1989-1990', 5, 0, 0, ''],

['1990-1991', 10, 0, 0, ''],

['1991-1992', 0, 0, 0, ''],

['1992-1993', 5, 0, 0, ''],

['1993-1994', 0, 0, 0, ''],

['1994-1995', 15, 0, 0, ''],

['1995-1996', 20, 0, 0, ''],

['1996-1997', 10, 0, 0, ''],

['1997-1998', 10, 0, 0, ''],

['1998-1999', 25, 0, 0, ''],

['1999-2000', 30, 0, 0, ''],

['2000-2001', 30, 0, 0, ''],

['2001-2002', 20, 0, 0, ''],

['2002-2003', 30, 0, 0, ''],

['2003-2004', 30, 0, 0, ''],

['2004-2005', 30, 0, 0, ''],

['2005-2006', 30, 0, 0, ''],

['2006-2007', 25, 0, 0, ''],

['2007-2008', 10, 0, 0, ''],

['2008-2009', 15, 0, 0, ''],

['2009-2010', 20, 0, 0, ''],

['2010-2011', 30, 0, 0, ''],

['2011-2012', 0, 0, 0, ''],

['2012-2013', 0, 0, 0, ''],

['2013-2014', 15, 0, 0, ''],

['2014-2015', 30, 0, 0, ''],

['2015-2016', 0, 0, 0, ''],

['2016-2017', 10, 0, 0, ''],

['2017-2018', 15, 0, 0, ''],

['2018-2019', 0, 0, 0, ''],

['2019-2020', 0, 0, 0, ''],

['2020-2021', 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';
}