// JavaScript Document 
	var headerindex = 1;
    var current = -1;
	var headertimeoutcallback;  
	    
    var right = 0;
    var right2 = 945;
    var headerduration = 1000;
    var headervorige = -1;
    var headeraantal = 0;
    var carouselindex = false;
    
	jQuery(function(){ 
		
		//variabelen
		var right = 0;
		var headerduration = 1500;
		
		//eerste tweet laden
        headeraantal = jQuery('.headerblok').size();
		if(!carouselindex)
        {
            jQuery(".headerblok:eq(0)").animate({"right":"+"+right},headerduration,"swing");
            current = 0;
        }                               
		headertimeoutcallback = setTimeout(moveheader_forward,8000); 
	});
	
	// autosrcoll inladen

    function MoveTo(headerindex, skipanimation)
    {
        clearTimeout(headertimeoutcallback); 
        if(current != headerindex)
        {
            if(skipanimation)
            {
                jQuery(".headerblok:eq("+current+"), .headerblok:animated").stop(true).animate({"right":"945"},0,"swing",function(){
                     jQuery(this).css('right','-945px');
                });
            
                jQuery(".headerblok:eq("+headerindex+")").animate({"right":"0"},0,"swing");                                
            }
            else
            {
                jQuery(".headerblok:eq("+current+"), .headerblok:animated").stop(true).animate({"right":"945"},headerduration,"swing",function(){
                     jQuery(this).css('right','-945px');
                });
            
                jQuery(".headerblok:eq("+headerindex+")").animate({"right":"0"},headerduration,"swing");                
            }
            current = headerindex;
        }
        if(!carouselindex)
        {
            headertimeoutcallback = setTimeout(moveheader_forward,8000);
        }
        return false;
    }
    
	
	function moveheader_forward() 
    {
		
	    var next = 0;        
		if(current < (headeraantal-1)) 
        { 
			next = current + 1;
		}
		else
		{
			next = 0;
		}
        MoveTo(next);
		
	}

	function moveheader_back() 
    {
        var next = 0;
        
        if(current > 0) { 
            next = current - 1;
        }
        else
        {
            next = 0;
        }
        MoveTo(next);
	}