## plug-in joint
jQuery.fn.toggleClassOnCondition = function(klass, condition) {
  return (condition) ? $(this).addClass(klass): $(this).removeClass(klass);
}

## caller
function toggleSubProcess(chk, para){
  var cond = (chk.is(':checked') == true);
  para.toggleClassOnCondition("green",cond);
}

$j = jQuery.noConflict();

## On Load
$j(document).ready(function(){
  $j("input.sub_process").click(function(){
    var chk = $j(this);
    var para = $j("p." + $j(this).attr("id"));
    toggleSubProcess(chk,para);
  });
});