$(document).ready(function(){

	/*
	 * Vorschaufenster-Verwaltung
	 */
	
	//Alle Full-Text-Elemente verstecken
	$('.preview .second').css('display', 'none');
	
	//Aktion
	$(".preview a").click(function(){
	
		var preObj = $(this).parents(".preview");
		var toHide = null;
		var toShow = null;
		
		if ($(this).hasClass('show') === true) {
			//Vorschaufenster aufklappen
			toHide = preObj.children(".first");
			toShow = preObj.children(".second");
		}
		else if ($(this).hasClass('hide') === true) {
			//Vorschaufenster zuklappen
			toHide = preObj.children(".second");
			toShow = preObj.children(".first");
		}
		else {
			//Automatische Erkennung 
			if (preObj.children(".second").css("display") == "none") {
				toHide = preObj.children(".first");
				toShow = preObj.children(".second");
			}
			else if (preObj.children(".second").css("display") == "block") {
				toHide = preObj.children(".second");
				toShow = preObj.children(".first");
			}
			else {
				alert("Vorschaufenster: keine Erkennung!");
			}
		}

		toHide.hide();
		toShow.show();
		
		return false;
	});
	
});