$(document).ready(function() {

    if($(window).width() < 1120)
    {
        $("#portfolio_inner").css("width","960");
        $("#portfolio_inner #left").hide();
        $("#portfolio_inner #right").hide();
        $("#portfolio_inner #content").css("left","0");
        $("#portfolio_inner #content").css("right","0");
    }
    
    var portfolioPage = 0;
    $("#secondslide").hide();
    
    $("#print").hide();
    $("#print").slideDown(1500);
    
    // Switchen in portfolio pagina's.
    $("#portfolio #left").click(function()
    {
        $("#firstslide").slideDown('slow');
        $("#secondslide").slideUp('slow');
        var portfolioPage = 0;
    });
    
    $("#portfolio #right").click(function()
    {
        $("#firstslide").slideUp('slow');
        $("#secondslide").slideDown('slow');
        var portfolioPage = 1;
    });
        
    // Menu items
    $("#1").click(function() { goToByScroll('body'); });
    $("#2").click(function() { goToByScroll('#aboutme'); });
    $("#3").click(function() { goToByScroll('#portfolio'); });
    $("#4").click(function() { goToByScroll('#howiwork'); });
    $("#5").click(function() { goToByScroll('#expectations'); });
    $("#6").click(function() { goToByScroll('#photos'); });
    $("#7").click(function() { goToByScroll('#contact'); });
});


function isScrolledIntoView(elem)
{
    var docViewTop = $(window).scrollTop();
    var docViewBottom = docViewTop + $(window).height();

    var elemTop = $(elem).offset().top;
    var elemBottom = elemTop + $(elem).height();

    return ((elemBottom >= docViewTop) && (elemTop <= docViewBottom));
}


function goToByScroll(id){
    var height = $(id).offset().top - 35;
    $('html,body').animate({scrollTop: height},'slow');
}

var movecount = 0;
function moveBackground()
{
    if(movecount == 657)
    {
        movecount = 0;
    }
        $('#clouds').css({'background-position': 'center -'+movecount+'px'});
        movecount++;
};

$(function() {
  setInterval("moveBackground()", 50 );
});