window.onload = function() {
	var userbox = document.getElementById("userbox");
	var password = document.getElementById("password");
	
	userbox.onclick = function() {
		userbox.value = "";
	}

	userbox.onchange = function() {
		password.value = "";
	}
	
	password.onclick = function() {
		password.value = "";	
	}

}