bottoni_01 = new Image();
bottoni_01.src = "images/bottoni_01.gif";
bottoni_01_over = new Image();
bottoni_01_over.src = "images/bottoni_01-over.gif";
bottoni_01_down = new Image();
bottoni_01_down.src = "images/bottoni_01-down.gif";

bottoni_02 = new Image();
bottoni_02.src = "images/bottoni_01.gif";
bottoni_02_over = new Image();
bottoni_02_over.src = "images/bottoni_01-over.gif";
bottoni_02_down = new Image();
bottoni_02_down.src = "images/bottoni_01-down.gif";

bottoni_03 = new Image();
bottoni_03.src = "images/bottoni_01.gif";
bottoni_03_over = new Image();
bottoni_03_over.src = "images/bottoni_01-over.gif";
bottoni_03_down = new Image();
bottoni_03_down.src = "images/bottoni_01-down.gif";

bottoni_04 = new Image();
bottoni_04.src = "images/bottoni_01.gif";
bottoni_04_over = new Image();
bottoni_04_over.src = "images/bottoni_01-over.gif";
bottoni_04_down = new Image();
bottoni_04_down.src = "images/bottoni_01-down.gif";

bottoni_05 = new Image();
bottoni_05.src = "images/bottoni_01.gif";
bottoni_05_over = new Image();
bottoni_05_over.src = "images/bottoni_01-over.gif";
bottoni_05_down = new Image();
bottoni_05_down.src = "images/bottoni_01-down.gif";

bottoni_06 = new Image();
bottoni_06.src = "images/bottoni_01.gif";
bottoni_06_over = new Image();
bottoni_06_over.src = "images/bottoni_01-over.gif";
bottoni_06_down = new Image();
bottoni_06_down.src = "images/bottoni_01-down.gif";

var arr_image = new Array();
var anz = arr_foto.length; 
var index = 0;

for (i=0; i < anz; i++) 
{
	arr_image[i] = new Image();
	arr_image[i].src = arr_foto[i];
}

function changeImage(imgName, imgObj, divID, visible)
{
   if (document.images) 
   {
       if(document.images[imgName])
         document.images[imgName].src = eval(imgObj+".src");
   }
   if (document.getElementById(divID))
   {
   		if (visible)
   			document.getElementById(divID).style.visibility = "visible";
   		else
   			document.getElementById(divID).style.visibility = "hidden";
   }
}


function up() 
{
	if (index < arr_foto.length - 1)
		index = index + 1;
	else
		index = 0;
	
	document.images.foto.src= arr_image[index].src;
	var fieldObj = document.getElementById("numeration");
	var n = index + 1;
	fieldObj.innerText = n; 
}

function down() 
{
	if (index > 0)
		index = index - 1;
	else
		index = arr_foto.length -1;
		
	document.images.foto.src= arr_image[index].src;
	var fieldObj = document.getElementById("numeration");
	var n = index + 1;
	fieldObj.innerText = n;
}

var win = null;
   function impressum()
   {
   win = window.open("impressum.html","testfenster","width=300,height=520,screenX=260,screenY=0");
        if(win.window.focus){win.window.focus();}
		
}
var win = null;
   function konta()
   {
   win = window.open("konta.html","testfenster","width=400,height=361,screenX=260,screenY=0");
        if(win.window.focus){win.window.focus();}
		
}