全选
function checkall(form, prefix, checkall) {
var checkall = checkall ? checkall : 'chkall';
for(var i = 0; i < form.elements.length; i++) {
var e = form.elements[i];
if(e.name && e.name != checkall && (!prefix || (prefix && e.name.match(prefix)))) {
e.checked = form.elements[checkall].checked;
}
}
}
反选
function uncheckall(form) {
for (var i=0;ivar e = form.elements[i];
if (e.name != 'chkall')
e.checked=!e.checked;
}
}