Code:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>无标题页</title>
<mce:script language="javascript" type="text/jscript"><!--
function CheckOthers(ck)
{
for(var i=0;i<ck.elements.length;i++)
{
if(ck.elements[i].type=="checkbox")
{
if(ck.elements[i].checked==false)
{
ck.elements[i].checked=true;
}
else
{
ck.elements[i].checked=false;
}
}
}
}
// --></mce:script>
</head>
<body>
<form id="fm">
<table style="width: 180px" border="2" id="tb">
<tr>
<td colspan="2">
<input id="Checkbox1" type="checkbox" name="ck"/><label for="Checkbox1">北京奥运会</label></td>
</tr>
<tr>
<td colspan="2">
<input id="Checkbox2" type="checkbox" name="ck"/><label for="Checkbox2">伦敦奥运会</label></td>
</tr>
<tr>
<td colspan="2">
<input id="Checkbox3" type="checkbox" name="ck"/><label for="Checkbox3">里约热内卢奥运会</label></td>
</tr>
<tr>
<td colspan="2">
<input id="Checkbox4" type="checkbox" name="ck"/><label for="Checkbox4">澳大利亚奥运会</label></td>
</tr>
<tr>
<td colspan="2">
<input id="Checkbox5" type="checkbox" name="ck"/><label for="Checkbox5">南非世界杯</label></td>
</tr
