function register_button_hover()
{
	$('input[id="register_button"]').attr("src", "http://guzari.com/images/register_button_hover.png");
}
function register_button()
{
	$('input[id="register_button"]').attr("src", "http://guzari.com/images/register_button.png");
}
function login_button_hover()
{
	$('input[id="login_button"]').attr("src", "http://guzari.com/images/login_button_hover.png");
}
function login_button()
{
	$('input[id="login_button"]').attr("src", "http://guzari.com/images/login_button.png");
}