var LoginForm =
{
	init: function()
	{
		var username = $("usernameInput");
		var password = $("passwordInput");

		username.value = "";
		password.value = "";

		username.style.background = "#fff url('/images/username.png') 7px 10px no-repeat";
		password.style.background = "#fff url('/images/password.png') 7px 7px no-repeat";

		username.onfocus = LoginForm.focusListener;
		password.onfocus = LoginForm.focusListener;
		username.onblur = LoginForm.usernameBlurListener;
		password.onblur = LoginForm.passwordBlurListener;
	},

	focusListener: function(event)
	{
		this.style.background = "#fff";
	},

	usernameBlurListener: function(event)
	{
		if (this.value == "")
		{
			this.style.background = "#fff url('/images/username.png') 7px 10px no-repeat";
		}
	},

	passwordBlurListener: function(event)
	{
		if (this.value == "")
		{
			this.style.background = "#fff url('/images/password.png') 7px 7px no-repeat";
		}
	}
};