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function show_item(item)
{
item.style.display = '';
item.style.visibility = 'visible';
}
function hide_item(item)
{
item.style.display = 'none';
item.style.visibility = 'hidden';
}
function applyFilter(filter, table_id, header_id, note_id)
{
var table = document.getElementById(table_id);
var header = document.getElementById(header_id);
var note = document.getElementById(note_id);
var pattern = filter.value.toLowerCase();
var count = 0;
for (var i = 0; row = table.rows[i]; i++)
{
if(row.id==header_id)
continue;
var show = 0;
if(pattern=='') {
show = 1;
}
else
{
var text = row.cells[0].innerHTML.toLowerCase();
if(text.indexOf(pattern)!=-1) {
show = 1;
}
}
if(show)
{
show_item(row);
count += 1;
}
else {
hide_item(row);
}
}
if(count==0)
{
hide_item(header);
show_item(note);
}
else
{
show_item(header);
hide_item(note);
}
}
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