<input type="checkbox" value="全选" id="checkAll" onclick="CheckAll(this.form)"/>
<TABLE>
<TR><TD><input id="id" type="checkbox"/>1</TD>
    <TD>a</TD>
</TR>
<TR><TD><input id="id" type="checkbox"/>2</TD>
    <TD>b<input type="hidden" value="v1" id="flow_id"></td></TD>
</TR>
<TR><TD><input id="id" type="checkbox"/>3</TD>
    <TD>c<input type="hidden" value="v2" id="flow_id"></td></TD>
</TR>
<TR><TD><input id="id" type="checkbox"/>4</TD>
    <TD>d</TD>
</TR>
<TR><TD><input id="id" type="checkbox"/>5</TD>
    <TD>e</TD>
</TR>
<TR><TD><input id="id" type="checkbox"/>6</TD>
    <TD>f</TD>
</TR>
</TABLE>