function onShowBack(){
    $("#show-back").hide();
    $("#show-back-button").hide();
    $("#card_back_container").show("normal", function(){
	$("#qualification").slideDown("fast")
    });
}

function showHint(event)
{
    var url = $(this).attr('href');
    var offset = $(this).offset();
    var height = $(this).height();

    event.preventDefault();
    
    if ($("div[alt='"+url+"']").length == 0)
    {
	$('div.tooltip').remove();
	var tooltip = $('<div class="tooltip" alt="'+url+'"><div class="content"><p class="loading"><img src="/images/preloader.gif" width="16px" height="16px" alt="" /> Loading...</p></div></div>');

	$('body').append(tooltip);
	$(tooltip).css({ top: offset.top + height - 3, left: offset.left-100 });

	$.ajax({
		   url:url,
		   type:'GET',
		   success:function (response) {
		       $('div.content', tooltip).html('<a class="close" href="javascript:{};" onclick="$(this).parent().remove();">&#x2716;close</a>' + response + '<a href="'+url+'" class="url">zaan.query.mn'+url+'</a>');
		   }
	       });

    } else $("div[alt='"+url+"']").remove();

}