$("[name='c_type']").attr('checked',false);//全不选
$("[name='c_type']").each(
function(){
$(this).attr("checked", !$(this).attr("checked") ;
}
);//反选
<script language="javascript">
function checkAll(){
$("[name='c_type']").each(
function(){
this.checked = true;
}
);
}
function uncheckAll(){
$("[name='c_type']").each(
function(){
this.checked = false;
}
);
}
function reverseCheck(){
$("[name='c_type']").each(
function(){
this.checked = !this.checked;
}
);
}
</script>