Checkbox

My custom form looks like this with just a checkbox.Depending on the value in DB i need to set this to checked and unchecked

scheduler.form_blocks[“my_editor”]= {
render:function(sns) {
return "


Override Schedule
";

},

set_value:function(node,value,ev) {
var g=document.getElementsByName(‘overrider’);

How do i set the checkbox here to Checked depending on the value in DB?
What are the set methods and get methods for this ?

}

Please let me know
Thanks

g[0].checked = value ? true : false; or g[0].checked = ev.some_property ? true : false;