JavaScript Radio and check button codes

His radio is this: <input name= ' del_id ' type= ' checkbox ' id= ' del_id ' value= ' "&rs (0) &" ' title= ' Select/Do not choose ' onclick= ' "Web effects: CCA (this); "" >
Select all: <input type= ' checkbox ' name= ' del_all ' id= ' del_all ' ' value= ' 1 ' onclick= ' "Javascript:selectall ('" &cstr (i) & "'); JAVASCRIPT:CA ();" "Title= ' Select/Uncheck all locations on this page ' >

Select all background color
function CA () {
var value = form1.del_all.checked? ' H ': ';
if (form1.del_id.length) {
for (Var i=0;i<form1.del_id.length;i++) {
form1.del_id[i].checked=form1.del_all.checked;
Form1.del_id[i].parentnode.parentnode.classname = value;
}
}
else{
if (form1.del_id) {
form1.del_id.checked=form1.del_all.checked;
Form1.del_id.parentnode.parentnode.classname = value;

}
}
}
Single-selection background discoloration
function CCA (CB) {
if (cb.checked) {
Cb.parentnode.parentnode.classname= ' h ';
}
else{
Cb.parentnode.parentnode.classname= ';
}
}
-->
</script>
<style>
tr.h {background-color: #fdfddf}
TR.J {background-color: #f61842}
</style>