复选框，全选或者全不选

 

<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<script language="javascript" type="text/javascript">
var selectAllFlg = false;


function selectAll() {
var list = document.getElementById("waveDataListTable").getElementsByTagName("input");

for (var i = 0; i < list.length; i++) {
var ctrl = list[i];

if (ctrl.type == "checkbox") {
var s = selectAllFlg ? ctrl.checked = false : ctrl.checked = true;
}

}

selectAllFlg = !selectAllFlg;
}
</script>


  <table /></td>
  </tr>
</table>