window.onload=function(){
  para0 = document.getElementById('check0');
  para0.style.borderColor = "#cccccc";

  para1 = document.getElementById('check1');
  para1.style.borderColor = "#cccccc";
}

function checkBorder(id1,id2){
  var obj1 = document.getElementById(id1);
  var obj2 = document.getElementById(id2);

  if(!obj2.checked){
    obj1.style.borderColor = "#cccccc";
  }else{
    obj1.style.borderColor = "#000000";
  }
  return false;
}