$.fn.twimgpager = function(lang) {
	
	$('#gallery img').hide();
	showImage(0,0,lang);

}


function showImage(fromImgNum,toImgNum,lang) {
	
	var cImgNum = fromImgNum;
	var nImgNum = toImgNum;
	var cLang	= lang;
	var pImgNum = 0;
	
	var maxImgNum = $('#gallery img').size();
	
	var arrLabels = new Array();
	// german Labels:
	arrLabels[0] = new Array("nächstes Bild","zurück","weiter");
	// english Labels:
	arrLabels[1] = new Array("Next picture","back","forward");
	
	
	$("#gallery-image-container img:eq("+fromImgNum+")").fadeOut("normal", function() {
		$("#gallery-image-container img:eq("+toImgNum+")").fadeIn("normal");
	});
	
	$("#nav-gallery-caption").html($("#gallery-image-container img:eq("+toImgNum+")").attr("title"));

	cImgNum = toImgNum;
	nImgNum = cImgNum + 1;
	pImgNum = cImgNum - 1;
	
	if (cImgNum == 0) {
		$("#nav-gallery-prev").hide();
		$("#nav-gallery-next").html('<a href="#" onclick="showImage('+cImgNum+','+nImgNum+','+cLang+');return false;">'+arrLabels[cLang][0]+'</a>');
	} else {
		$("#nav-gallery-prev").show();
		$("#nav-gallery-prev").html('<a href="#" onclick="showImage('+cImgNum+','+pImgNum+','+cLang+');return false;">'+arrLabels[cLang][1]+'</a>');
		$("#nav-gallery-next").html('<a href="#" onclick="showImage('+cImgNum+','+nImgNum+','+cLang+');return false;">'+arrLabels[cLang][2]+'</a>');
	};
	if (cImgNum == maxImgNum-1) {
		$("#nav-gallery-next").hide();
	} else {
		$("#nav-gallery-next").show();
	}

}