复选框单选

function checkBoxStrike(obj){    var checks = document.getElementsByName("cheBoxName");    if(obj.checked)    {        for(var i=0;i<checks.length;i++){            checks[i].checked = false;        }        obj.checked = true;        }else    {        for(var i=0;i<checks.length;i++){            checks[i].checked = false;        }    }}

<td><input type="checkbox" value="${aList.annId?default("is null")}" name="cheBoxName" onclick="checkBoxStrike(this)" }"/></td>