var startPos = true;

function initScroll() {
  if($("#animationLayer ul li").length < 8) $(".goRight").css("visibility","hidden");
}

function initScrollBig() {
  if($("#animationBig .left").length < 8) $(".goRightBig").css("visibility","hidden");
}

function slideLeft() {
  if(!startPos) {
    $("#animationLayer ul").animate({ left: "10px" }, 1200);
    startPos = !startPos;
    $(".goRight").css("visibility","visible");
    $(".goLeft").css("visibility","hidden");
  }
}

function slideRight() {

  if(startPos) {
    var newPos = 0;
    $("#animationLayer ul li").each(function (i) {
      newPos += ($(this).width() + 10);
    });
    
    if(navigator.userAgent.search(/msie/i) != -1 && navigator.userAgent.search(/8.0/i) == -1) {
      newPos -= 62;
    }
    
    newPos -= 515;

    $("#animationLayer ul").animate({ left: -newPos+"px" }, 1200);
    startPos = !startPos;
    $(".goRight").css("visibility","hidden");
    $(".goLeft").css("visibility","visible");
  }
}

function slideBigLeft() {
  if(!startPos) {
    $("#animationBig").animate({ left: "0px" }, 1200);
    startPos = !startPos;
    $(".goRightBig").css("visibility","visible");
    $(".goLeftBig").css("visibility","hidden");
  }
}

function slideBigRight() {

  if(startPos) {
    var newPos = 0;
    $("#animationBig .left").each(function (i) {
      newPos += ($(this).width() + 10);
    });
    
    /*
    if(navigator.userAgent.search(/msie/i)!= -1) {
      newPos -= 62;
    }
    */
    
    newPos -= 980;

    $("#animationBig").animate({ left: -newPos+"px" }, 1200);
    startPos = !startPos;
    $(".goRightBig").css("visibility","hidden");
    $(".goLeftBig").css("visibility","visible");
  }
}