// Ajax check
ajax_check = {}
ajax_check.is_object = function(tag)
{
	if (typeof(tag) == 'object')
	{
		return true
	}
	return false
}
	
ajax_check.check = function()
{	
	if (!ajax_check.is_object(window.Ajax))
	{
		return false
	}
	else if (Ajax.getTransport())
	{
		return true
	}
	else
	{
		return false
	}
}

ajax_check.set_login_ajax = function()
{
	if (ajax_check.check())
	{
		document.getElementById('ajax_supported').value = 1;
	}
}

ajax_check.iframe_check = function()
{
	if(ajax_check.check())
	{
		document.write('<iframe src="/ajax_supported.php?type=1" width="1" height="1" frameborder="0" scrolling="no"></iframe>');
	}
	else
	{
		document.write('<iframe src="/ajax_supported.php?type=0" width="1" height="1" frameborder="0" scrolling="no"></iframe>');
	}
}

ajax_check.reload_check = function(type)
{
	if(ajax_check.check())
	{
		window.location = "signup.php?ajax=1&signupType=" + type
	}
	else
	{
		window.location = "signup.php?ajax=0&signupType=" + type
	}
}