var	username_field = "#striped-text-field-user-blank";
var password_field = "#striped-text-field-pass-blank";

$(document).ready(
	function(e){
		$(username_field).bind('focus', setbg);
		$(username_field).bind('blur', resetbg);
		$(username_field).css('background','url(/public/images/field_bg_username.png)');
		$(password_field).bind('focus', setpassbg);
		$(password_field).bind('blur', resetpassbg);
		$(password_field).css('background','url(/public/images/field_bg_password.png)');
	}
);

function setbg(e){
	if($(this).val().length <= 0) {
		$(this).css('background','url(/public/images/field_bg.png)');
	}
}

function resetbg(e){
	if($(this).val().length <= 0) {
		$(this).css('background','url(/public/images/field_bg_username.png)');
	}
}

function setpassbg(e){
	if($(this).val().length <= 0) {
		$(this).css('background','url(/public/images/field_bg.png)');
	}
}

function resetpassbg(e){
	if($(this).val().length <= 0) {
		$(this).css('background','url(/public/images/field_bg_password.png)');
	}
}