$(function(){
	if($('.loginbox .input').val()=='')
		$('.loginbox .input').css('background','url("/img/element/login/bg_emailinput.gif") no-repeat 5px center');
	if($('.loginbox .password').val()=='')
		$('.loginbox .password').css('background','url("/img/element/login/bg_passwordinput.gif") no-repeat 5px center');
});