<!-- Original:  Mike Best (mike.best@hei-usa.com) -->
<!-- Web Site:  http://www.hei-usa.com -->

<!-- This script and many more are available free online at -->
<!-- The JavaScript Source!! http://javascript.internet.com -->

<!-- Begin
function checkBoxValidate(cb) {
for (j = 0; j < 2; j++) {
if (eval("document.myform.ckbox[" + j + "].checked") == true) {
document.myform.ckbox[j].checked = false;
if (j == cb) {
document.myform.ckbox[j].checked = true;
         }
      }
   }
}
//  End -->