Selecting/Deselecting RadioButton in a GridView using JavaScript

JavaScript to select/deselect RadioButton in GridView.
  1. <script type="text/javascript" language="javascript">  
  2. function RadioCheck(rb) {  
  3.   var gv = document.getElementById("<%=gdvDemoreg.ClientID%>");  
  4.   var rbs = gv.getElementsByTagName("input");  
  5.   var row = rb.parentNode.parentNode;  
  6.   for (var i = 0; i < rbs.length; i++) {  
  7.     if (rbs[i].type == "radio") {  
  8.       if (rbs[i].checked && rbs[i] != rb) {  
  9.         rbs[i].checked = false;  
  10.         break;  
  11.       }  
  12.     }  
  13.   }  
  14. }  
  15. </script>