function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

function showSection(id) {
  var divs = document.getElementsByTagName("div");
  for (var i=0; i<divs.length; i++ ) {
    if (divs[i].className.indexOf("request") == -1) continue;
    if (divs[i].getAttribute("id") != id) {
      divs[i].style.display = "none";
    } else {
      divs[i].style.display = "block";
    }
  }
}

function selectradio() {
if (document.forms[0].Method[0].checked) showSection("byemail");
if (document.forms[0].Method[1].checked) showSection("bymail");
document.forms[0].Method[0].onclick = function() {
	  showSection("byemail");
    }
document.forms[0].Method[1].onclick = function() {
	  showSection("bymail");
    }
}

addLoadEvent(selectradio);