function expand(obj)
{
	if($(obj).parent().next().is(':hidden'))
		{
			$(obj).parent().next().slideDown('normal');
			$(obj).children().html('<img src=\'system/application/assets/images/closeBtn.gif\'>');
			
		}
	else
		{
			$(obj).parent().next().slideUp('fast');
			$(obj).children().html('<img src=\'system/application/assets/images/expandBtn.gif\'>');
		}
}