var contactShowing = false;

userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);

function initialize(){
	preloadImages();
	if(screen.width > 1024 && screen.height > 768 && window.outerWidth != 1000 && window.outerHeight != 830){
		window.resizeTo(1000,830);
	}
}

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


function changeImages(id, imgSrc){
	document.getElementById(id).style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src=\"" + imgSrc + "\", sizingMethod='scale');";
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		tab_activities_over = newImage("images/tab_activities-over.gif");
		tab_accomodation_over = newImage("images/tab_accomodation-over.gif");
		tab_workshop_over = newImage("images/tab_workshop-over.gif");
		menu_home_over = newImage("images/menu_home-over.gif");
		menu_inside_over = newImage("images/menu_inside-over.gif");
		menu_email_over = newImage("images/menu_email-over.gif");
		menu_news_over = newImage("images/menu_news-over.gif");
		menu_contact_over = newImage("images/menu_contact-over.gif");
		menu_links_over = newImage("images/menu_links-over.gif");
		menu_feedback_over = newImage("images/menu_feedback-over.gif");
		menu_sitemap_over = newImage("images/menu_sitemap-over.gif");
		footer_credits_over = newImage("images/footer_credits-over.gif");
		preloadFlag = true;
	}
}

function showContact(){
	if(contactShowing){
		return;
	}
	else{
		document.getElementById("contact").style.visibility = "visible";
		contactShowing = true;
	}
}

function hideContact(){
	document.getElementById("contact").style.visibility = "hidden";
	contactShowing = false;
}