$(document).ready(function() {
	$(".topMenuAction").click( function() {
		if ($("#openCloseIdentifier").is(":hidden")) {
			$("#topSlider").animate({ 
				marginTop: "-258px"
				}, 400 );
			$("#topMenuImage").html('<img src="img/open.png" alt="open panel" title="open panel" />');
			$("#openCloseIdentifier").show();
		} else {
			$("#topSlider").animate({ 
				marginTop: "0px"
				}, 400 );
			$("#topMenuImage").html('<img src="img/open.png" alt="close panel" title="close panel" />');
			$("#openCloseIdentifier").hide();
		}
	});  
});