var posiclicked=0;
var picnow=1;
var animation_is='off';
var firstrun='yes';

// preload der bentigten Navigationselemente
// ----------------------------------------------------------------------------------------
				
button_play_n = new Image();
button_play_n.src = "images/play_n.gif"; 
button_play_k = new Image();
button_play_k.src = "images/play_k.gif";
  				
button_pause_n = new Image();
button_pause_n.src = "images/pause_n.gif";
button_pause_k = new Image();
button_pause_k.src = "images/pause_k.gif";
  				
button_skip_fwd_n = new Image();
button_skip_fwd_n.src = "images/skip_fwd_n.gif";
button_skip_fwd_k = new Image();
button_skip_fwd_k.src = "images/skip_fwd_k.gif";	  				
  			
button_skip_back_n = new Image();
button_skip_back_n.src = "images/skip_back_n.gif";
button_skip_back_k = new Image();
button_skip_back_k.src = "images/skip_back_k.gif";	  


// Funktionen
// ------------------------------------------------------------------
	
	
function animation()
{
	
    if (animation_is=='on')
    {
  
   	if (picnow >dim ) 
   	{ 
   		picnow=1; 
   	}
   	
      	document.foto.src = "images/diashow/foto"+ picnow +".jpg";
      
    	picnow++;

	setTimeout('animation();',8500);

    }
}

function showpic()
{  
      	document.foto.src = "images/diashow/foto"+ picnow +".jpg";
}

function animplay()
{
	document.play.src = button_play_k.src;
	document.pause.src = button_pause_n.src;
	animation_is = 'on';
	picnow++;
	animation();
}

function animpause()
{
	document.play.src = button_play_n.src;
	document.pause.src = button_pause_k.src;
	animation_is = 'off';
}

function skipforward()
{
	animpause();
	picnow++;
	if(picnow > dim) { picnow=1; }
	showpic();
}

function skipback()
{
	animpause();
	picnow--;
	if(picnow < 1) { picnow=dim; }
	showpic();
}