// ab- und anstellen ------------------------------
function imgon(who){
	document.getElementById(who).style.visibility = "visible";
}
function imgof(who){
	document.getElementById(who).style.visibility = "hidden";
}

function showQuickLink(id)
{
    hideQuickLink();
    imgon(id);
}
function hideQuickLink()
{
    imgof("quick-guidedtour");
    imgof("quick-architekten");
    imgof("quick-fachpartner");
    imgof("quick-onlineShop");
}
                        
/* safemail func */
function safemail(name, domain, display, linkclass) {
	displayed=(display.length)<1 ? name+"@"+domain : display;
	document.write('<a class="'+linkclass+'" href="mailto:' + name + '@' + domain + '">' + displayed + '</a>');
}

/* very nice function from die-gestalten.de. thx */
function popup(url, w, h, f, x, y){
	if(navigator.userAgent.indexOf("Safari") != -1){
		w = w - 2;
	}
	var day = new Date();
	var id = day.getTime();
	var name = "ilovefu" + id;
	
	if(x == null){
		x = Math.round((screen.availWidth-w)/2);
	}
	if(y == null){
		y = Math.round((screen.availHeight-h)/2);
	}
	var features = "width="+w+",height="+h+",left="+x+",top="+y+",screenX="+x+",screenY="+y+",toolbar=no,location=no,status=no,menubar=no,history=no,titlebar=no,alwaysRaised";

	if(f != null){
		features += "," + f;
	}

	eval("var win"+id+" = window.open('"+url+"', '"+name+"', '"+features+"');");
	eval("win"+id+".moveTo("+x+","+y+");");
	eval("win"+id+".focus();");
}

function open_example_win(url, width, height) {
	popup(url,width,height, 'resizable=no,scrollbars=no')
}

function redirect_to (url) {
	location.href=url;
	return true;
}

function showGalleryPic(number)
{
    if (number >= amount)
    {
        number = 0;
    }
    else if (number < 0)
    {
        number = amount - 1;
    }
    var img = document.getElementById("bigImage");
    img.innerHTML = images[number];
    var text = document.getElementById("bigText");
    text.innerHTML = texts[number];
    
    current = number; 
}

function prevImage()
{
    showGalleryPic(current-1);
}

function nextImage()
{
    showGalleryPic(current+1);
}