Filling Comma Separated Values into TextBox

Filling Comma Separated Values into TextBox

HTML

<input type="radio" id="a1">
<input type="radio" id="a22">
<input type="radio" id="a3">
<input type="radio" id="a41">

JavaScript

var val = '1,2,3,4';
var invisible='a22'
var val = val.split(',');
alert(val[0]);
c=val.length;
//alert(c);
for(i = 0;i < val.length ;i++ )
{
alert(val[i]);
cnd="#a"+val[i];
//alert(cnd);
 $(cnd).hide();
 //d2="#"+invisible;
 //alert(d2);
 // $(d2).show();
}