/**
 * Configure language
 */
var lang = "de";

function setLang() {
	lang = jQuery(document).getUrlParam("lang");
	if(lang == null) {lang = "de";}
}
function getMessageResource(lang) {
	var result; 
	switch (lang) {
		default:
			result = messages_de;
		break;		
	}
	if (result == null) {
		log("Message '%s' is not available.");
	}	
	return result;
}
function writeMessage(key) {
	var result = getMessageResource(lang)[key];
	document.write(result);
}

/**
 * Gallery
 */
function changeGalleryImage(imageId,imagePath) {
	jQuery("#gallery_navi").children().children().removeClass("active");
	jQuery("#" + imageId).addClass("active");
	jQuery("#gallery_image").attr("src",imagePath);
}