if (typeof(e) != 'object') { throw('typeof e != object : typeof e = ' + typeof(e)); }
var treechildren = e;
- if (!treechildren) { sdump('D_WIDGETS','No ' + id + ' to append to\n'); return; }
+ if (!treechildren) { sdump('D_WIDGETS','No ' + id + ' to append to\n'); return null; }
var treeitem = elem('treeitem'); treechildren.appendChild(treeitem);
var treerow = elem('treerow'); treeitem.appendChild(treerow);
e = arguments[1];
if (typeof(e) != 'object') { e = d.getElementById(e); }
}
- if (typeof(e) != 'object') { sdump('D_WIDGETS','Failed on empty_listbox\n'); return; }
+ if (typeof(e) != 'object') { sdump('D_WIDGETS','Failed on empty_listbox\n'); return null; }
var nl = e.getElementsByTagName('listitem');
for (var i = 0; i < nl.length; i++) {
e.removeChild(nl[i]);
e = arguments[1];
if (typeof(e) != 'object') { e = d.getElementById(e); }
}
- if (typeof(e) != 'object') { sdump('D_WIDGETS','Failed on empty_widget\n'); return; }
+ if (typeof(e) != 'object') { sdump('D_WIDGETS','Failed on empty_widget\n'); return null; }
while (e.lastChild) { e.removeChild(e.lastChild); }
}
if (typeof(meter)!='object')
meter = d.getElementById(meter);
if (typeof(meter)!='object')
- return;
+ return null;
var real = meter.getAttribute('_real');
a2 = arguments[3];
if (typeof(e) != 'object') { e = d.getElementById(e); }
}
- if (typeof(e) != 'object') { sdump('D_WIDGETS','Failed on swap_attributes\n'); return; }
+ if (typeof(e) != 'object') { sdump('D_WIDGETS','Failed on swap_attributes\n'); return null; }
var a1_v = e.getAttribute(a1);
var a2_v = e.getAttribute(a2);
e.setAttribute(a1,a2_v);
if (typeof(grid) != 'object') {
grid = d.getElementById(grid);
}
- if (!grid) { return; }
- var rows = grid.lastChild; if (!rows) { return; }
+ if (!grid) { return null; }
+ var rows = grid.lastChild; if (!rows) { return null; }
for (var r = 0; r < rows.childNodes.length; r++ ) {
var row = rows.childNodes[r];
if (typeof(row) == 'object') {