var preloadFlag = false;

function randomCamper() {
	
	if (document.images) {
		lmh_doitnau = newImage("http://www.doitnau.de/wp-content/themes/doitnau/images/lmh_doitnau.gif");
		lmh_problem = newImage("http://www.doitnau.de/wp-content/themes/doitnau/images/lmh_problem.gif");
		lmh_loesung = newImage("http://www.doitnau.de/wp-content/themes/doitnau/images/lmh_loesung.gif");
		lmh_community = newImage("http://www.doitnau.de/wp-content/themes/doitnau/images/lmh_community.gif");
		lmh_camp = newImage("http://www.doitnau.de/wp-content/themes/doitnau/images/lmh_camp.gif");
		lmh_petition = newImage("http://www.doitnau.de/wp-content/themes/doitnau/images/lmh_petition.gif");
		lmh_termine = newImage("http://www.doitnau.de/wp-content/themes/doitnau/images/lmh_termine.gif");
		header_kurzinfo = newImage("http://www.doitnau.de/wp-content/themes/doitnau/images/kurzinfo-button-h.gif");
		preloadFlag = true;
	}
}


function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}


function changeImages(imageId, imageSrc) {
	document.getElementById(imageId).setAttribute("src", imageSrc);
}

function showInfoLayer() {
	document.getElementById("kurzinfowrapper").className = "kurzinfowrapperVisible";
	setTimeout("window.scrollTo(0,0);", 1);
	hideDropdowns();
}

function hideInfoLayer() {
	document.getElementById("kurzinfowrapper").className = "kurzinfowrapperHidden";
	setTimeout("window.scrollTo(0,0);", 1);   
	showDropdowns();
}

function showPrivacyLayer() {
	document.getElementById("privacyWrapper").className = "kurzinfowrapperVisible";                              
	setTimeout("window.scrollTo(0,0);", 1);
	hideDropdowns();
}

function hidePrivacyLayer() {
	document.getElementById("privacyWrapper").className = "kurzinfowrapperHidden";                   
	setTimeout("window.scrollTo(0,0);", 1);
	showDropdowns();
}

function showParticipationLayer() {
	document.getElementById("participationWrapper").className = "kurzinfowrapperVisible";  
	setTimeout("window.scrollTo(0,0);", 1);
	hideDropdowns();
}

function hideParticipationLayer() {
	document.getElementById("participationWrapper").className = "kurzinfowrapperHidden";          
	setTimeout("window.scrollTo(0,0);", 1);
	showDropdowns();
}

function hideDropdowns() {
	document.getElementById("camp_departure").style.visibility = 'hidden';
	document.getElementById("camp_arrival").style.visibility = 'hidden';
	document.getElementById("camp_birthday_year").style.visibility = 'hidden';
	document.getElementById("camp_birthday_month").style.visibility = 'hidden';
	document.getElementById("camp_birthday_day").style.visibility = 'hidden';
	document.getElementById("camp_gender").style.visibility = 'hidden';
}

function showDropdowns() {
	document.getElementById("camp_departure").style.visibility = 'visible';
	document.getElementById("camp_arrival").style.visibility = 'visible';
	document.getElementById("camp_birthday_year").style.visibility = 'visible';
	document.getElementById("camp_birthday_month").style.visibility = 'visible';
	document.getElementById("camp_birthday_day").style.visibility = 'visible';
	document.getElementById("camp_gender").style.visibility = 'visible';
}