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var sort_column;
var prev_span = null;
function get_inner_text(el) {
if((typeof el == 'string')||(typeof el == 'undefined'))
return el;
if(el.innerText)
return el.innerText;
else {
var str = "";
var cs = el.childNodes;
var l = cs.length;
for (i=0;i<l;i++) {
if (cs[i].nodeType==1) str += get_inner_text(cs[i]);
else if (cs[i].nodeType==3) str += cs[i].nodeValue;
}
}
return str;
}
function sortfn(a,b) {
var i = a.cells[sort_column].getAttribute('int');
if (i != null) {
return parseInt(i)-parseInt(b.cells[sort_column].getAttribute('int'));
} else {
var at = get_inner_text(a.cells[sort_column]);
var bt = get_inner_text(b.cells[sort_column]);
aa = at.toLowerCase();
bb = bt.toLowerCase();
if (aa==bb) return 0;
else if (aa<bb) return -1;
else return 1;
}
}
function resort(lnk) {
var span = lnk.childNodes[1];
if (!span) {
var span = document.createElement("span")
span.className = "sortarrow";
lnk.appendChild(span);
}
var table = lnk.parentNode.parentNode.parentNode.parentNode;
var rows = new Array();
for (j=1;j<table.rows.length;j++)
rows[j-1] = table.rows[j];
sort_column = lnk.parentNode.cellIndex;
rows.sort(sortfn);
if (prev_span != null) prev_span.innerHTML = '';
if (span.getAttribute('sortdir')=='down') {
span.innerHTML = '↑';
span.setAttribute('sortdir','up');
rows.reverse();
} else {
span.innerHTML = '↓';
span.setAttribute('sortdir','down');
}
for (i=0;i<rows.length;i++)
table.tBodies[0].appendChild(rows[i]);
prev_span = span;
}
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