function clearFirstPrompt() {
    var username = document.getElementById("first_name");
    if (username.value == "First Name") {
      username.value = "";
    }
  }

  function setFirstPrompt() {
    var username = document.getElementById("first_name");
    if (username.value == "") {
      username.value = "First Name";
    }
  }



function clearUsernamePrompt() {
    var username = document.getElementById("last_name");
    if (username.value == "Last Name") {
      username.value = "";
    }
  }

  function setUsernamePrompt() {
    var username = document.getElementById("last_name");
    if (username.value == "") {
      username.value = "Last Name";
    }
  }
	
function clearEmailPrompt() {
    var username = document.getElementById("email");
    if (username.value == "Email Address") {
      username.value = "";
    }
  }

  function setEmailPrompt() {
    var username = document.getElementById("email");
    if (username.value == "") {
      username.value = "Email Address";
    }
  }