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<%doc>
<table>
<& /elements/columnstart.html &>
<tr> ... </tr>
<tr> ... </tr>
<& /elements/columnnext.html &>
...
<& /elements/columnend.html &>
</table>
Pass 'aligned' => 1 to have corresponding rows in the columns line up.
</%doc>
% my $id = sprintf('table%08d', random_id(8));
<TR>
<TD CLASS="background" COLSPAN=99>
<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 id="<%$id%>">
<TR>
<TD VALIGN="top">
<TABLE BGCOLOR="#cccccc" BORDER=0 CELLSPACING=0>
% if ( $aligned ) {
%# Instead of changing all the tr-* elements to sometimes output table
%# cells without wrapping them in a row, we're just going to completely
%# rebuild the table on the client side.
<script type="text/javascript">
<&| onload.js &>
var table = document.getElementById('<%$id%>'); // has one row, always
var rows = []; // row contents, each containing
var n_rows = []; // rows in each subtable
var n_cols = []; // cols in each subtable
var total_rows = 0; // max(n_rows)
for(var i=0; i < table.rows[0].cells.length; i++) {
// these are cells created by columnstart/columnnext
// each contains a table, and nothing else
var subtable = table.rows[0].cells[i].children[0];
n_rows[i] = subtable.rows.length;
if ( total_rows < n_rows[i] ) {
total_rows = n_rows[i];
}
n_cols[i] = 0;
var subrows = []; // the rows of this table
for(var j=0; j < n_rows[i]; j++) {
// these are the actual tr-* rows within the table, and
// can contain multiple cells
subrows[j] = [];
var tr = subtable.rows[j];
if ( n_cols[i] < tr.cells.length ) {
n_cols[i] = tr.cells.length;
}
for(var k=0; k < tr.cells.length; k++) {
subrows[j][k] = tr.cells[k];
}
} // for(j)
rows[i] = subrows;
} // for(i)
var new_table = document.createElement('TABLE');
for (var j = 0; j < total_rows; j++) {
var tr = document.createElement('TR');
for (var i = 0; i < rows.length; i++) { // subtables
var k = 0; // subrow position
if ( j < n_rows[i] ) { // then subtable i has this row
for (k = 0; k < rows[i][j].length; k++) { // cells
tr.appendChild(rows[i][j][k]);
}
} // else k is just 0
if ( k < n_cols[i] ) { // then we need a spacer
var spacer = document.createElement('TD');
spacer.setAttribute('colspan', n_cols[i] - k);
tr.appendChild(spacer);
}
} // for(i); subtables
// tr is complete
new_table.appendChild(tr);
} // for(j); rows
table.parentNode.insertBefore( new_table, table );
table.parentNode.removeChild(table);
</&>
</script>
% } # if $aligned
<%args>
$aligned => 0
</%args>
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